Home / 4,390,920.20-6,573,549.90-3,131,208.20

Finding the Fourth Proportional to 4,390,920.20, 6,573,549.90 and 3,131,208.20

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Solution

The fourth proportional to 4,390,920.20, 6,573,549.90 and 3,131,208.20 is: 4,687,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390,920.20 : 6,573,549.90 = 3,131,208.20 : x
  2. Step 2: Convert to fraction form
    4,390,920.20/6,573,549.90 = 3,131,208.20/x
  3. Step 3: Cross multiply
    4,390,920.20x = 6,573,549.90 × 3,131,208.20
  4. Step 4: Simplify right side
    4,390,920.20x = 20,583,153,349,989.18
  5. Step 5: Solve for x
    x = 20,583,153,349,989.18/4,390,920.20
  6. Step 6: Final answer
    x = 4,687,662.82

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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.