Home / 3,286,989.60-4,928,151.60-1,490,733.60

Finding the Fourth Proportional to 3,286,989.60, 4,928,151.60 and 1,490,733.60

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Solution

The fourth proportional to 3,286,989.60, 4,928,151.60 and 1,490,733.60 is: 2,235,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,989.60 : 4,928,151.60 = 1,490,733.60 : x
  2. Step 2: Convert to fraction form
    3,286,989.60/4,928,151.60 = 1,490,733.60/x
  3. Step 3: Cross multiply
    3,286,989.60x = 4,928,151.60 × 1,490,733.60
  4. Step 4: Simplify right side
    3,286,989.60x = 7,346,561,176,013.76
  5. Step 5: Solve for x
    x = 7,346,561,176,013.76/3,286,989.60
  6. Step 6: Final answer
    x = 2,235,042.42

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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.