Home / 3,677,400.60-5,516,100.90-981,720.60

Finding the Fourth Proportional to 3,677,400.60, 5,516,100.90 and 981,720.60

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Solution

The fourth proportional to 3,677,400.60, 5,516,100.90 and 981,720.60 is: 1,472,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,400.60 : 5,516,100.90 = 981,720.60 : x
  2. Step 2: Convert to fraction form
    3,677,400.60/5,516,100.90 = 981,720.60/x
  3. Step 3: Cross multiply
    3,677,400.60x = 5,516,100.90 × 981,720.60
  4. Step 4: Simplify right side
    3,677,400.60x = 5,415,269,885,208.54
  5. Step 5: Solve for x
    x = 5,415,269,885,208.54/3,677,400.60
  6. Step 6: Final answer
    x = 1,472,580.90

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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.