Home / 2,538,504.91-3,807,708.22-619,428.61

Finding the Fourth Proportional to 2,538,504.91, 3,807,708.22 and 619,428.61

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Solution

The fourth proportional to 2,538,504.91, 3,807,708.22 and 619,428.61 is: 929,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,504.91 : 3,807,708.22 = 619,428.61 : x
  2. Step 2: Convert to fraction form
    2,538,504.91/3,807,708.22 = 619,428.61/x
  3. Step 3: Cross multiply
    2,538,504.91x = 3,807,708.22 × 619,428.61
  4. Step 4: Simplify right side
    2,538,504.91x = 2,358,603,410,000.17
  5. Step 5: Solve for x
    x = 2,358,603,410,000.17/2,538,504.91
  6. Step 6: Final answer
    x = 929,130.92

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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.