Home / 3,921,010.40-5,881,807.20-1,396,337.60

Finding the Fourth Proportional to 3,921,010.40, 5,881,807.20 and 1,396,337.60

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Solution

The fourth proportional to 3,921,010.40, 5,881,807.20 and 1,396,337.60 is: 2,094,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,010.40 : 5,881,807.20 = 1,396,337.60 : x
  2. Step 2: Convert to fraction form
    3,921,010.40/5,881,807.20 = 1,396,337.60/x
  3. Step 3: Cross multiply
    3,921,010.40x = 5,881,807.20 × 1,396,337.60
  4. Step 4: Simplify right side
    3,921,010.40x = 8,212,988,549,310.72
  5. Step 5: Solve for x
    x = 8,212,988,549,310.72/3,921,010.40
  6. Step 6: Final answer
    x = 2,094,610.24

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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.