Home / 1,627,666.20-2,442,665.70-916,939.80

Finding the Fourth Proportional to 1,627,666.20, 2,442,665.70 and 916,939.80

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Solution

The fourth proportional to 1,627,666.20, 2,442,665.70 and 916,939.80 is: 1,376,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,666.20 : 2,442,665.70 = 916,939.80 : x
  2. Step 2: Convert to fraction form
    1,627,666.20/2,442,665.70 = 916,939.80/x
  3. Step 3: Cross multiply
    1,627,666.20x = 2,442,665.70 × 916,939.80
  4. Step 4: Simplify right side
    1,627,666.20x = 2,239,777,398,424.86
  5. Step 5: Solve for x
    x = 2,239,777,398,424.86/1,627,666.20
  6. Step 6: Final answer
    x = 1,376,066.79

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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.