Home / 2,639,522.41-3,957,837.06-817,381.50

Finding the Fourth Proportional to 2,639,522.41, 3,957,837.06 and 817,381.50

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Solution

The fourth proportional to 2,639,522.41, 3,957,837.06 and 817,381.50 is: 1,225,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,522.41 : 3,957,837.06 = 817,381.50 : x
  2. Step 2: Convert to fraction form
    2,639,522.41/3,957,837.06 = 817,381.50/x
  3. Step 3: Cross multiply
    2,639,522.41x = 3,957,837.06 × 817,381.50
  4. Step 4: Simplify right side
    2,639,522.41x = 3,235,062,773,069.20
  5. Step 5: Solve for x
    x = 3,235,062,773,069.20/2,639,522.41
  6. Step 6: Final answer
    x = 1,225,624.29

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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.