Home / 3,155,214.80-4,728,759.24-2,748,763.28

Finding the Fourth Proportional to 3,155,214.80, 4,728,759.24 and 2,748,763.28

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Solution

The fourth proportional to 3,155,214.80, 4,728,759.24 and 2,748,763.28 is: 4,119,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155,214.80 : 4,728,759.24 = 2,748,763.28 : x
  2. Step 2: Convert to fraction form
    3,155,214.80/4,728,759.24 = 2,748,763.28/x
  3. Step 3: Cross multiply
    3,155,214.80x = 4,728,759.24 × 2,748,763.28
  4. Step 4: Simplify right side
    3,155,214.80x = 12,998,239,758,872.71
  5. Step 5: Solve for x
    x = 12,998,239,758,872.71/3,155,214.80
  6. Step 6: Final answer
    x = 4,119,605.35

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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.