Home / 4,140,143.20-6,206,521.20-1,615,211.20

Finding the Fourth Proportional to 4,140,143.20, 6,206,521.20 and 1,615,211.20

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Solution

The fourth proportional to 4,140,143.20, 6,206,521.20 and 1,615,211.20 is: 2,421,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,143.20 : 6,206,521.20 = 1,615,211.20 : x
  2. Step 2: Convert to fraction form
    4,140,143.20/6,206,521.20 = 1,615,211.20/x
  3. Step 3: Cross multiply
    4,140,143.20x = 6,206,521.20 × 1,615,211.20
  4. Step 4: Simplify right side
    4,140,143.20x = 10,024,842,555,277.44
  5. Step 5: Solve for x
    x = 10,024,842,555,277.44/4,140,143.20
  6. Step 6: Final answer
    x = 2,421,375.80

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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.