Home / 3,158,719.92-4,359,034.17-1,782,355.77

Finding the Fourth Proportional to 3,158,719.92, 4,359,034.17 and 1,782,355.77

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Solution

The fourth proportional to 3,158,719.92, 4,359,034.17 and 1,782,355.77 is: 2,459,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,719.92 : 4,359,034.17 = 1,782,355.77 : x
  2. Step 2: Convert to fraction form
    3,158,719.92/4,359,034.17 = 1,782,355.77/x
  3. Step 3: Cross multiply
    3,158,719.92x = 4,359,034.17 × 1,782,355.77
  4. Step 4: Simplify right side
    3,158,719.92x = 7,769,349,704,526.66
  5. Step 5: Solve for x
    x = 7,769,349,704,526.66/3,158,719.92
  6. Step 6: Final answer
    x = 2,459,651.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.