Home / 5,390,781.45-7,439,381.99-2,943,489.48

Finding the Fourth Proportional to 5,390,781.45, 7,439,381.99 and 2,943,489.48

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Solution

The fourth proportional to 5,390,781.45, 7,439,381.99 and 2,943,489.48 is: 4,062,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,781.45 : 7,439,381.99 = 2,943,489.48 : x
  2. Step 2: Convert to fraction form
    5,390,781.45/7,439,381.99 = 2,943,489.48/x
  3. Step 3: Cross multiply
    5,390,781.45x = 7,439,381.99 × 2,943,489.48
  4. Step 4: Simplify right side
    5,390,781.45x = 21,897,742,625,266.46
  5. Step 5: Solve for x
    x = 21,897,742,625,266.46/5,390,781.45
  6. Step 6: Final answer
    x = 4,062,072.04

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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.