Home / 4,292,761.72-5,921,544.54-2,680,330.36

Finding the Fourth Proportional to 4,292,761.72, 5,921,544.54 and 2,680,330.36

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Solution

The fourth proportional to 4,292,761.72, 5,921,544.54 and 2,680,330.36 is: 3,697,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292,761.72 : 5,921,544.54 = 2,680,330.36 : x
  2. Step 2: Convert to fraction form
    4,292,761.72/5,921,544.54 = 2,680,330.36/x
  3. Step 3: Cross multiply
    4,292,761.72x = 5,921,544.54 × 2,680,330.36
  4. Step 4: Simplify right side
    4,292,761.72x = 15,871,695,608,654.23
  5. Step 5: Solve for x
    x = 15,871,695,608,654.23/4,292,761.72
  6. Step 6: Final answer
    x = 3,697,315.77

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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.