Home / 3,644,389.60-5,471,509.20-2,129,624.80

Finding the Fourth Proportional to 3,644,389.60, 5,471,509.20 and 2,129,624.80

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Solution

The fourth proportional to 3,644,389.60, 5,471,509.20 and 2,129,624.80 is: 3,197,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,389.60 : 5,471,509.20 = 2,129,624.80 : x
  2. Step 2: Convert to fraction form
    3,644,389.60/5,471,509.20 = 2,129,624.80/x
  3. Step 3: Cross multiply
    3,644,389.60x = 5,471,509.20 × 2,129,624.80
  4. Step 4: Simplify right side
    3,644,389.60x = 11,652,261,685,748.16
  5. Step 5: Solve for x
    x = 11,652,261,685,748.16/3,644,389.60
  6. Step 6: Final answer
    x = 3,197,315.04

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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.