Home / 3,534,497.20-5,301,745.80-1,290,343.60

Finding the Fourth Proportional to 3,534,497.20, 5,301,745.80 and 1,290,343.60

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Solution

The fourth proportional to 3,534,497.20, 5,301,745.80 and 1,290,343.60 is: 1,935,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534,497.20 : 5,301,745.80 = 1,290,343.60 : x
  2. Step 2: Convert to fraction form
    3,534,497.20/5,301,745.80 = 1,290,343.60/x
  3. Step 3: Cross multiply
    3,534,497.20x = 5,301,745.80 × 1,290,343.60
  4. Step 4: Simplify right side
    3,534,497.20x = 6,841,073,761,856.88
  5. Step 5: Solve for x
    x = 6,841,073,761,856.88/3,534,497.20
  6. Step 6: Final answer
    x = 1,935,515.40

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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.