Home / 4,131,816.30-6,197,724.45-1,291,923.90

Finding the Fourth Proportional to 4,131,816.30, 6,197,724.45 and 1,291,923.90

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Solution

The fourth proportional to 4,131,816.30, 6,197,724.45 and 1,291,923.90 is: 1,937,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131,816.30 : 6,197,724.45 = 1,291,923.90 : x
  2. Step 2: Convert to fraction form
    4,131,816.30/6,197,724.45 = 1,291,923.90/x
  3. Step 3: Cross multiply
    4,131,816.30x = 6,197,724.45 × 1,291,923.90
  4. Step 4: Simplify right side
    4,131,816.30x = 8,006,988,342,569.36
  5. Step 5: Solve for x
    x = 8,006,988,342,569.36/4,131,816.30
  6. Step 6: Final answer
    x = 1,937,885.85

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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.