Home / 2,818,819.20-3,889,065.60-1,578,247.04

Finding the Fourth Proportional to 2,818,819.20, 3,889,065.60 and 1,578,247.04

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Solution

The fourth proportional to 2,818,819.20, 3,889,065.60 and 1,578,247.04 is: 2,177,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,819.20 : 3,889,065.60 = 1,578,247.04 : x
  2. Step 2: Convert to fraction form
    2,818,819.20/3,889,065.60 = 1,578,247.04/x
  3. Step 3: Cross multiply
    2,818,819.20x = 3,889,065.60 × 1,578,247.04
  4. Step 4: Simplify right side
    2,818,819.20x = 6,137,906,271,565.82
  5. Step 5: Solve for x
    x = 6,137,906,271,565.82/2,818,819.20
  6. Step 6: Final answer
    x = 2,177,474.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.