Home / 3,038,177.28-4,192,712.64-1,680,072.96

Finding the Fourth Proportional to 3,038,177.28, 4,192,712.64 and 1,680,072.96

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Solution

The fourth proportional to 3,038,177.28, 4,192,712.64 and 1,680,072.96 is: 2,318,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038,177.28 : 4,192,712.64 = 1,680,072.96 : x
  2. Step 2: Convert to fraction form
    3,038,177.28/4,192,712.64 = 1,680,072.96/x
  3. Step 3: Cross multiply
    3,038,177.28x = 4,192,712.64 × 1,680,072.96
  4. Step 4: Simplify right side
    3,038,177.28x = 7,044,063,135,514.22
  5. Step 5: Solve for x
    x = 7,044,063,135,514.22/3,038,177.28
  6. Step 6: Final answer
    x = 2,318,516.16

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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.