Home / 3,549,117.60-5,323,676.40-2,128,442.40

Finding the Fourth Proportional to 3,549,117.60, 5,323,676.40 and 2,128,442.40

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Solution

The fourth proportional to 3,549,117.60, 5,323,676.40 and 2,128,442.40 is: 3,192,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,117.60 : 5,323,676.40 = 2,128,442.40 : x
  2. Step 2: Convert to fraction form
    3,549,117.60/5,323,676.40 = 2,128,442.40/x
  3. Step 3: Cross multiply
    3,549,117.60x = 5,323,676.40 × 2,128,442.40
  4. Step 4: Simplify right side
    3,549,117.60x = 11,331,138,573,639.36
  5. Step 5: Solve for x
    x = 11,331,138,573,639.36/3,549,117.60
  6. Step 6: Final answer
    x = 3,192,663.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.