Home / 3,572,989.31-4,930,755.30-1,941,396.68

Finding the Fourth Proportional to 3,572,989.31, 4,930,755.30 and 1,941,396.68

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Solution

The fourth proportional to 3,572,989.31, 4,930,755.30 and 1,941,396.68 is: 2,679,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,989.31 : 4,930,755.30 = 1,941,396.68 : x
  2. Step 2: Convert to fraction form
    3,572,989.31/4,930,755.30 = 1,941,396.68/x
  3. Step 3: Cross multiply
    3,572,989.31x = 4,930,755.30 × 1,941,396.68
  4. Step 4: Simplify right side
    3,572,989.31x = 9,572,551,944,658.63
  5. Step 5: Solve for x
    x = 9,572,551,944,658.63/3,572,989.31
  6. Step 6: Final answer
    x = 2,679,143.74

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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.