Home / 3,612,892.56-5,419,341.27-917,419.92

Finding the Fourth Proportional to 3,612,892.56, 5,419,341.27 and 917,419.92

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Solution

The fourth proportional to 3,612,892.56, 5,419,341.27 and 917,419.92 is: 1,376,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,892.56 : 5,419,341.27 = 917,419.92 : x
  2. Step 2: Convert to fraction form
    3,612,892.56/5,419,341.27 = 917,419.92/x
  3. Step 3: Cross multiply
    3,612,892.56x = 5,419,341.27 × 917,419.92
  4. Step 4: Simplify right side
    3,612,892.56x = 4,971,811,634,376.10
  5. Step 5: Solve for x
    x = 4,971,811,634,376.10/3,612,892.56
  6. Step 6: Final answer
    x = 1,376,130.50

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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.