Home / 3,429,679.23-5,140,034.13-1,405,553.31

Finding the Fourth Proportional to 3,429,679.23, 5,140,034.13 and 1,405,553.31

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Solution

The fourth proportional to 3,429,679.23, 5,140,034.13 and 1,405,553.31 is: 2,106,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,679.23 : 5,140,034.13 = 1,405,553.31 : x
  2. Step 2: Convert to fraction form
    3,429,679.23/5,140,034.13 = 1,405,553.31/x
  3. Step 3: Cross multiply
    3,429,679.23x = 5,140,034.13 × 1,405,553.31
  4. Step 4: Simplify right side
    3,429,679.23x = 7,224,591,984,934.47
  5. Step 5: Solve for x
    x = 7,224,591,984,934.47/3,429,679.23
  6. Step 6: Final answer
    x = 2,106,492.04

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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.