Home / 2,920,542.63-4,380,817.31-761,565.85

Finding the Fourth Proportional to 2,920,542.63, 4,380,817.31 and 761,565.85

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Solution

The fourth proportional to 2,920,542.63, 4,380,817.31 and 761,565.85 is: 1,142,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,542.63 : 4,380,817.31 = 761,565.85 : x
  2. Step 2: Convert to fraction form
    2,920,542.63/4,380,817.31 = 761,565.85/x
  3. Step 3: Cross multiply
    2,920,542.63x = 4,380,817.31 × 761,565.85
  4. Step 4: Simplify right side
    2,920,542.63x = 3,336,280,850,764.67
  5. Step 5: Solve for x
    x = 3,336,280,850,764.67/2,920,542.63
  6. Step 6: Final answer
    x = 1,142,349.65

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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.