Home / 3,549,079.60-5,323,619.40-2,131,903.60

Finding the Fourth Proportional to 3,549,079.60, 5,323,619.40 and 2,131,903.60

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Solution

The fourth proportional to 3,549,079.60, 5,323,619.40 and 2,131,903.60 is: 3,197,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,079.60 : 5,323,619.40 = 2,131,903.60 : x
  2. Step 2: Convert to fraction form
    3,549,079.60/5,323,619.40 = 2,131,903.60/x
  3. Step 3: Cross multiply
    3,549,079.60x = 5,323,619.40 × 2,131,903.60
  4. Step 4: Simplify right side
    3,549,079.60x = 11,349,443,363,889.84
  5. Step 5: Solve for x
    x = 11,349,443,363,889.84/3,549,079.60
  6. Step 6: Final answer
    x = 3,197,855.40

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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.