Home / 3,165,265.20-4,747,903.72-769,111.84

Finding the Fourth Proportional to 3,165,265.20, 4,747,903.72 and 769,111.84

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Solution

The fourth proportional to 3,165,265.20, 4,747,903.72 and 769,111.84 is: 1,153,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,265.20 : 4,747,903.72 = 769,111.84 : x
  2. Step 2: Convert to fraction form
    3,165,265.20/4,747,903.72 = 769,111.84/x
  3. Step 3: Cross multiply
    3,165,265.20x = 4,747,903.72 × 769,111.84
  4. Step 4: Simplify right side
    3,165,265.20x = 3,651,668,966,232.04
  5. Step 5: Solve for x
    x = 3,651,668,966,232.04/3,165,265.20
  6. Step 6: Final answer
    x = 1,153,669.20

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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.