Home / 2,124,000.30-3,186,000.45-1,891,757.10

Finding the Fourth Proportional to 2,124,000.30, 3,186,000.45 and 1,891,757.10

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Solution

The fourth proportional to 2,124,000.30, 3,186,000.45 and 1,891,757.10 is: 2,837,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,000.30 : 3,186,000.45 = 1,891,757.10 : x
  2. Step 2: Convert to fraction form
    2,124,000.30/3,186,000.45 = 1,891,757.10/x
  3. Step 3: Cross multiply
    2,124,000.30x = 3,186,000.45 × 1,891,757.10
  4. Step 4: Simplify right side
    2,124,000.30x = 6,027,138,971,890.70
  5. Step 5: Solve for x
    x = 6,027,138,971,890.70/2,124,000.30
  6. Step 6: Final answer
    x = 2,837,635.65

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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.