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Finding the Fourth Proportional to 1,827,773.91, 2,742,500.79 and 690,930.90

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Solution

The fourth proportional to 1,827,773.91, 2,742,500.79 and 690,930.90 is: 1,036,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,773.91 : 2,742,500.79 = 690,930.90 : x
  2. Step 2: Convert to fraction form
    1,827,773.91/2,742,500.79 = 690,930.90/x
  3. Step 3: Cross multiply
    1,827,773.91x = 2,742,500.79 × 690,930.90
  4. Step 4: Simplify right side
    1,827,773.91x = 1,894,878,539,085.41
  5. Step 5: Solve for x
    x = 1,894,878,539,085.41/1,827,773.91
  6. Step 6: Final answer
    x = 1,036,713.86

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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.