Home / 3,316,325.28-4,974,487.92-920,170.32

Finding the Fourth Proportional to 3,316,325.28, 4,974,487.92 and 920,170.32

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Solution

The fourth proportional to 3,316,325.28, 4,974,487.92 and 920,170.32 is: 1,380,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,325.28 : 4,974,487.92 = 920,170.32 : x
  2. Step 2: Convert to fraction form
    3,316,325.28/4,974,487.92 = 920,170.32/x
  3. Step 3: Cross multiply
    3,316,325.28x = 4,974,487.92 × 920,170.32
  4. Step 4: Simplify right side
    3,316,325.28x = 4,577,376,141,182.53
  5. Step 5: Solve for x
    x = 4,577,376,141,182.53/3,316,325.28
  6. Step 6: Final answer
    x = 1,380,255.48

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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.