Home / 3,549,105.10-5,323,657.65-2,131,929.10

Finding the Fourth Proportional to 3,549,105.10, 5,323,657.65 and 2,131,929.10

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Solution

The fourth proportional to 3,549,105.10, 5,323,657.65 and 2,131,929.10 is: 3,197,893.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,105.10 : 5,323,657.65 = 2,131,929.10 : x
  2. Step 2: Convert to fraction form
    3,549,105.10/5,323,657.65 = 2,131,929.10/x
  3. Step 3: Cross multiply
    3,549,105.10x = 5,323,657.65 × 2,131,929.10
  4. Step 4: Simplify right side
    3,549,105.10x = 11,349,660,662,472.62
  5. Step 5: Solve for x
    x = 11,349,660,662,472.62/3,549,105.10
  6. Step 6: Final answer
    x = 3,197,893.65

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Double scale
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Similar ratio
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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.