Home / 2,154,000.10-3,231,000.15-735,657.70

Finding the Fourth Proportional to 2,154,000.10, 3,231,000.15 and 735,657.70

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Solution

The fourth proportional to 2,154,000.10, 3,231,000.15 and 735,657.70 is: 1,103,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,000.10 : 3,231,000.15 = 735,657.70 : x
  2. Step 2: Convert to fraction form
    2,154,000.10/3,231,000.15 = 735,657.70/x
  3. Step 3: Cross multiply
    2,154,000.10x = 3,231,000.15 × 735,657.70
  4. Step 4: Simplify right side
    2,154,000.10x = 2,376,910,139,048.65
  5. Step 5: Solve for x
    x = 2,376,910,139,048.65/2,154,000.10
  6. Step 6: Final answer
    x = 1,103,486.55

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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.