Home / 3,667,851.60-5,502,020.40-972,139.20

Finding the Fourth Proportional to 3,667,851.60, 5,502,020.40 and 972,139.20

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Solution

The fourth proportional to 3,667,851.60, 5,502,020.40 and 972,139.20 is: 1,458,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,851.60 : 5,502,020.40 = 972,139.20 : x
  2. Step 2: Convert to fraction form
    3,667,851.60/5,502,020.40 = 972,139.20/x
  3. Step 3: Cross multiply
    3,667,851.60x = 5,502,020.40 × 972,139.20
  4. Step 4: Simplify right side
    3,667,851.60x = 5,348,729,710,039.68
  5. Step 5: Solve for x
    x = 5,348,729,710,039.68/3,667,851.60
  6. Step 6: Final answer
    x = 1,458,273.21

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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.