Home / 2,888,575.20-4,329,363.60-1,289,440.80

Finding the Fourth Proportional to 2,888,575.20, 4,329,363.60 and 1,289,440.80

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Solution

The fourth proportional to 2,888,575.20, 4,329,363.60 and 1,289,440.80 is: 1,932,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,575.20 : 4,329,363.60 = 1,289,440.80 : x
  2. Step 2: Convert to fraction form
    2,888,575.20/4,329,363.60 = 1,289,440.80/x
  3. Step 3: Cross multiply
    2,888,575.20x = 4,329,363.60 × 1,289,440.80
  4. Step 4: Simplify right side
    2,888,575.20x = 5,582,458,063,874.88
  5. Step 5: Solve for x
    x = 5,582,458,063,874.88/2,888,575.20
  6. Step 6: Final answer
    x = 1,932,599.18

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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.