Home / 2,752,929.20-4,128,011.40-1,255,329.20

Finding the Fourth Proportional to 2,752,929.20, 4,128,011.40 and 1,255,329.20

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Solution

The fourth proportional to 2,752,929.20, 4,128,011.40 and 1,255,329.20 is: 1,882,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,929.20 : 4,128,011.40 = 1,255,329.20 : x
  2. Step 2: Convert to fraction form
    2,752,929.20/4,128,011.40 = 1,255,329.20/x
  3. Step 3: Cross multiply
    2,752,929.20x = 4,128,011.40 × 1,255,329.20
  4. Step 4: Simplify right side
    2,752,929.20x = 5,182,013,248,352.88
  5. Step 5: Solve for x
    x = 5,182,013,248,352.88/2,752,929.20
  6. Step 6: Final answer
    x = 1,882,363.43

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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.