Home / 3,779,775.31-5,672,320.26-3,418,395.43

Finding the Fourth Proportional to 3,779,775.31, 5,672,320.26 and 3,418,395.43

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Solution

The fourth proportional to 3,779,775.31, 5,672,320.26 and 3,418,395.43 is: 5,129,996.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,775.31 : 5,672,320.26 = 3,418,395.43 : x
  2. Step 2: Convert to fraction form
    3,779,775.31/5,672,320.26 = 3,418,395.43/x
  3. Step 3: Cross multiply
    3,779,775.31x = 5,672,320.26 × 3,418,395.43
  4. Step 4: Simplify right side
    3,779,775.31x = 19,390,233,654,280.41
  5. Step 5: Solve for x
    x = 19,390,233,654,280.41/3,779,775.31
  6. Step 6: Final answer
    x = 5,129,996.38

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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.