Home / 5,131,008.40-7,699,168.20-3,722,688.40

Finding the Fourth Proportional to 5,131,008.40, 7,699,168.20 and 3,722,688.40

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Solution

The fourth proportional to 5,131,008.40, 7,699,168.20 and 3,722,688.40 is: 5,585,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131,008.40 : 7,699,168.20 = 3,722,688.40 : x
  2. Step 2: Convert to fraction form
    5,131,008.40/7,699,168.20 = 3,722,688.40/x
  3. Step 3: Cross multiply
    5,131,008.40x = 7,699,168.20 × 3,722,688.40
  4. Step 4: Simplify right side
    5,131,008.40x = 28,661,604,147,788.88
  5. Step 5: Solve for x
    x = 28,661,604,147,788.88/5,131,008.40
  6. Step 6: Final answer
    x = 5,585,959.31

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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.