Home / 3,934,371.88-5,900,391.42-1,689,985

Finding the Fourth Proportional to 3,934,371.88, 5,900,391.42 and 1,689,985

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Solution

The fourth proportional to 3,934,371.88, 5,900,391.42 and 1,689,985 is: 2,534,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,371.88 : 5,900,391.42 = 1,689,985 : x
  2. Step 2: Convert to fraction form
    3,934,371.88/5,900,391.42 = 1,689,985/x
  3. Step 3: Cross multiply
    3,934,371.88x = 5,900,391.42 × 1,689,985
  4. Step 4: Simplify right side
    3,934,371.88x = 9,971,572,993,928.70
  5. Step 5: Solve for x
    x = 9,971,572,993,928.70/3,934,371.88
  6. Step 6: Final answer
    x = 2,534,476.48

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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.