Home / 2,420,672.40-3,631,008.60-647,744.40

Finding the Fourth Proportional to 2,420,672.40, 3,631,008.60 and 647,744.40

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Solution

The fourth proportional to 2,420,672.40, 3,631,008.60 and 647,744.40 is: 971,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,672.40 : 3,631,008.60 = 647,744.40 : x
  2. Step 2: Convert to fraction form
    2,420,672.40/3,631,008.60 = 647,744.40/x
  3. Step 3: Cross multiply
    2,420,672.40x = 3,631,008.60 × 647,744.40
  4. Step 4: Simplify right side
    2,420,672.40x = 2,351,965,487,001.84
  5. Step 5: Solve for x
    x = 2,351,965,487,001.84/2,420,672.40
  6. Step 6: Final answer
    x = 971,616.60

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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.