Home / 2,912,597.31-4,368,892.19-782,681.43

Finding the Fourth Proportional to 2,912,597.31, 4,368,892.19 and 782,681.43

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Solution

The fourth proportional to 2,912,597.31, 4,368,892.19 and 782,681.43 is: 1,174,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,597.31 : 4,368,892.19 = 782,681.43 : x
  2. Step 2: Convert to fraction form
    2,912,597.31/4,368,892.19 = 782,681.43/x
  3. Step 3: Cross multiply
    2,912,597.31x = 4,368,892.19 × 782,681.43
  4. Step 4: Simplify right side
    2,912,597.31x = 3,419,450,782,871.62
  5. Step 5: Solve for x
    x = 3,419,450,782,871.62/2,912,597.31
  6. Step 6: Final answer
    x = 1,174,021.13

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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.