Home / 3,202,416.02-4,418,897.65-1,912,982.69

Finding the Fourth Proportional to 3,202,416.02, 4,418,897.65 and 1,912,982.69

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Solution

The fourth proportional to 3,202,416.02, 4,418,897.65 and 1,912,982.69 is: 2,639,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202,416.02 : 4,418,897.65 = 1,912,982.69 : x
  2. Step 2: Convert to fraction form
    3,202,416.02/4,418,897.65 = 1,912,982.69/x
  3. Step 3: Cross multiply
    3,202,416.02x = 4,418,897.65 × 1,912,982.69
  4. Step 4: Simplify right side
    3,202,416.02x = 8,453,274,719,596.47
  5. Step 5: Solve for x
    x = 8,453,274,719,596.47/3,202,416.02
  6. Step 6: Final answer
    x = 2,639,655.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.