Home / 3,390,517.88-4,678,980.92-1,862,682.92

Finding the Fourth Proportional to 3,390,517.88, 4,678,980.92 and 1,862,682.92

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Solution

The fourth proportional to 3,390,517.88, 4,678,980.92 and 1,862,682.92 is: 2,570,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,517.88 : 4,678,980.92 = 1,862,682.92 : x
  2. Step 2: Convert to fraction form
    3,390,517.88/4,678,980.92 = 1,862,682.92/x
  3. Step 3: Cross multiply
    3,390,517.88x = 4,678,980.92 × 1,862,682.92
  4. Step 4: Simplify right side
    3,390,517.88x = 8,715,457,842,689.89
  5. Step 5: Solve for x
    x = 8,715,457,842,689.89/3,390,517.88
  6. Step 6: Final answer
    x = 2,570,538.82

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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.