Home / 3,438,381.10-4,744,687.98-1,988,170.60

Finding the Fourth Proportional to 3,438,381.10, 4,744,687.98 and 1,988,170.60

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Solution

The fourth proportional to 3,438,381.10, 4,744,687.98 and 1,988,170.60 is: 2,743,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,381.10 : 4,744,687.98 = 1,988,170.60 : x
  2. Step 2: Convert to fraction form
    3,438,381.10/4,744,687.98 = 1,988,170.60/x
  3. Step 3: Cross multiply
    3,438,381.10x = 4,744,687.98 × 1,988,170.60
  4. Step 4: Simplify right side
    3,438,381.10x = 9,433,249,148,009.39
  5. Step 5: Solve for x
    x = 9,433,249,148,009.39/3,438,381.10
  6. Step 6: Final answer
    x = 2,743,514.72

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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.