Home / 2,912,687.70-4,369,687.65-891,024.90

Finding the Fourth Proportional to 2,912,687.70, 4,369,687.65 and 891,024.90

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Solution

The fourth proportional to 2,912,687.70, 4,369,687.65 and 891,024.90 is: 1,336,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,687.70 : 4,369,687.65 = 891,024.90 : x
  2. Step 2: Convert to fraction form
    2,912,687.70/4,369,687.65 = 891,024.90/x
  3. Step 3: Cross multiply
    2,912,687.70x = 4,369,687.65 × 891,024.90
  4. Step 4: Simplify right side
    2,912,687.70x = 3,893,500,501,372.49
  5. Step 5: Solve for x
    x = 3,893,500,501,372.49/2,912,687.70
  6. Step 6: Final answer
    x = 1,336,738.06

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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.