Home / 3,941,111.45-5,438,867.99-2,287,130.50

Finding the Fourth Proportional to 3,941,111.45, 5,438,867.99 and 2,287,130.50

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Solution

The fourth proportional to 3,941,111.45, 5,438,867.99 and 2,287,130.50 is: 3,156,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,111.45 : 5,438,867.99 = 2,287,130.50 : x
  2. Step 2: Convert to fraction form
    3,941,111.45/5,438,867.99 = 2,287,130.50/x
  3. Step 3: Cross multiply
    3,941,111.45x = 5,438,867.99 × 2,287,130.50
  4. Step 4: Simplify right side
    3,941,111.45x = 12,439,400,865,402.70
  5. Step 5: Solve for x
    x = 12,439,400,865,402.70/3,941,111.45
  6. Step 6: Final answer
    x = 3,156,317.97

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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.