Home / 6,231,921.10-9,346,946.10-1,971,535.78

Finding the Fourth Proportional to 6,231,921.10, 9,346,946.10 and 1,971,535.78

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Solution

The fourth proportional to 6,231,921.10, 9,346,946.10 and 1,971,535.78 is: 2,957,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231,921.10 : 9,346,946.10 = 1,971,535.78 : x
  2. Step 2: Convert to fraction form
    6,231,921.10/9,346,946.10 = 1,971,535.78/x
  3. Step 3: Cross multiply
    6,231,921.10x = 9,346,946.10 × 1,971,535.78
  4. Step 4: Simplify right side
    6,231,921.10x = 18,427,838,669,881.46
  5. Step 5: Solve for x
    x = 18,427,838,669,881.46/6,231,921.10
  6. Step 6: Final answer
    x = 2,957,007.70

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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.