Home / 2,891,931.70-4,337,897.55-1,398,939.70

Finding the Fourth Proportional to 2,891,931.70, 4,337,897.55 and 1,398,939.70

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Solution

The fourth proportional to 2,891,931.70, 4,337,897.55 and 1,398,939.70 is: 2,098,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,931.70 : 4,337,897.55 = 1,398,939.70 : x
  2. Step 2: Convert to fraction form
    2,891,931.70/4,337,897.55 = 1,398,939.70/x
  3. Step 3: Cross multiply
    2,891,931.70x = 4,337,897.55 × 1,398,939.70
  4. Step 4: Simplify right side
    2,891,931.70x = 6,068,457,097,227.74
  5. Step 5: Solve for x
    x = 6,068,457,097,227.74/2,891,931.70
  6. Step 6: Final answer
    x = 2,098,409.55

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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.