Home / 2,676,898.38-4,015,347.54-783,639.78

Finding the Fourth Proportional to 2,676,898.38, 4,015,347.54 and 783,639.78

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Solution

The fourth proportional to 2,676,898.38, 4,015,347.54 and 783,639.78 is: 1,175,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,898.38 : 4,015,347.54 = 783,639.78 : x
  2. Step 2: Convert to fraction form
    2,676,898.38/4,015,347.54 = 783,639.78/x
  3. Step 3: Cross multiply
    2,676,898.38x = 4,015,347.54 × 783,639.78
  4. Step 4: Simplify right side
    2,676,898.38x = 3,146,586,062,869.14
  5. Step 5: Solve for x
    x = 3,146,586,062,869.14/2,676,898.38
  6. Step 6: Final answer
    x = 1,175,459.66

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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.