Home / 3,128,182.40-4,692,355.14-998,263.64

Finding the Fourth Proportional to 3,128,182.40, 4,692,355.14 and 998,263.64

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Solution

The fourth proportional to 3,128,182.40, 4,692,355.14 and 998,263.64 is: 1,497,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,182.40 : 4,692,355.14 = 998,263.64 : x
  2. Step 2: Convert to fraction form
    3,128,182.40/4,692,355.14 = 998,263.64/x
  3. Step 3: Cross multiply
    3,128,182.40x = 4,692,355.14 × 998,263.64
  4. Step 4: Simplify right side
    3,128,182.40x = 4,684,207,522,229.11
  5. Step 5: Solve for x
    x = 4,684,207,522,229.11/3,128,182.40
  6. Step 6: Final answer
    x = 1,497,421.48

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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.