Home / 4,390,937.20-6,573,575.40-3,131,225.20

Finding the Fourth Proportional to 4,390,937.20, 6,573,575.40 and 3,131,225.20

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Solution

The fourth proportional to 4,390,937.20, 6,573,575.40 and 3,131,225.20 is: 4,687,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390,937.20 : 6,573,575.40 = 3,131,225.20 : x
  2. Step 2: Convert to fraction form
    4,390,937.20/6,573,575.40 = 3,131,225.20/x
  3. Step 3: Cross multiply
    4,390,937.20x = 6,573,575.40 × 3,131,225.20
  4. Step 4: Simplify right side
    4,390,937.20x = 20,583,344,946,580.08
  5. Step 5: Solve for x
    x = 20,583,344,946,580.08/4,390,937.20
  6. Step 6: Final answer
    x = 4,687,688.30

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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.