Home / 2,899,475.40-4,349,213.10-769,774.80

Finding the Fourth Proportional to 2,899,475.40, 4,349,213.10 and 769,774.80

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Solution

The fourth proportional to 2,899,475.40, 4,349,213.10 and 769,774.80 is: 1,154,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,475.40 : 4,349,213.10 = 769,774.80 : x
  2. Step 2: Convert to fraction form
    2,899,475.40/4,349,213.10 = 769,774.80/x
  3. Step 3: Cross multiply
    2,899,475.40x = 4,349,213.10 × 769,774.80
  4. Step 4: Simplify right side
    2,899,475.40x = 3,347,914,644,209.88
  5. Step 5: Solve for x
    x = 3,347,914,644,209.88/2,899,475.40
  6. Step 6: Final answer
    x = 1,154,662.20

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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.