Home / 3,101,528.60-4,651,679.54-2,947,728.44

Finding the Fourth Proportional to 3,101,528.60, 4,651,679.54 and 2,947,728.44

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Solution

The fourth proportional to 3,101,528.60, 4,651,679.54 and 2,947,728.44 is: 4,421,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,528.60 : 4,651,679.54 = 2,947,728.44 : x
  2. Step 2: Convert to fraction form
    3,101,528.60/4,651,679.54 = 2,947,728.44/x
  3. Step 3: Cross multiply
    3,101,528.60x = 4,651,679.54 × 2,947,728.44
  4. Step 4: Simplify right side
    3,101,528.60x = 13,711,888,073,824.12
  5. Step 5: Solve for x
    x = 13,711,888,073,824.12/3,101,528.60
  6. Step 6: Final answer
    x = 4,421,009.72

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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.