Home / 3,779,680.86-5,669,542.62-939,793.32

Finding the Fourth Proportional to 3,779,680.86, 5,669,542.62 and 939,793.32

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Solution

The fourth proportional to 3,779,680.86, 5,669,542.62 and 939,793.32 is: 1,409,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,680.86 : 5,669,542.62 = 939,793.32 : x
  2. Step 2: Convert to fraction form
    3,779,680.86/5,669,542.62 = 939,793.32/x
  3. Step 3: Cross multiply
    3,779,680.86x = 5,669,542.62 × 939,793.32
  4. Step 4: Simplify right side
    3,779,680.86x = 5,328,198,281,731.30
  5. Step 5: Solve for x
    x = 5,328,198,281,731.30/3,779,680.86
  6. Step 6: Final answer
    x = 1,409,695.28

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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.