Home / 3,158,764.92-4,359,096.36-1,782,400.68

Finding the Fourth Proportional to 3,158,764.92, 4,359,096.36 and 1,782,400.68

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Solution

The fourth proportional to 3,158,764.92, 4,359,096.36 and 1,782,400.68 is: 2,459,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,764.92 : 4,359,096.36 = 1,782,400.68 : x
  2. Step 2: Convert to fraction form
    3,158,764.92/4,359,096.36 = 1,782,400.68/x
  3. Step 3: Cross multiply
    3,158,764.92x = 4,359,096.36 × 1,782,400.68
  4. Step 4: Simplify right side
    3,158,764.92x = 7,769,656,316,249.53
  5. Step 5: Solve for x
    x = 7,769,656,316,249.53/3,158,764.92
  6. Step 6: Final answer
    x = 2,459,713.37

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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.