Home / 5,432,872.10-8,146,355.70-2,238,321.20

Finding the Fourth Proportional to 5,432,872.10, 8,146,355.70 and 2,238,321.20

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Solution

The fourth proportional to 5,432,872.10, 8,146,355.70 and 2,238,321.20 is: 3,356,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,872.10 : 8,146,355.70 = 2,238,321.20 : x
  2. Step 2: Convert to fraction form
    5,432,872.10/8,146,355.70 = 2,238,321.20/x
  3. Step 3: Cross multiply
    5,432,872.10x = 8,146,355.70 × 2,238,321.20
  4. Step 4: Simplify right side
    5,432,872.10x = 18,234,160,666,050.84
  5. Step 5: Solve for x
    x = 18,234,160,666,050.84/5,432,872.10
  6. Step 6: Final answer
    x = 3,356,265.40

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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.