Home / 5,123,867.68-7,070,965.20-2,800,763.32

Finding the Fourth Proportional to 5,123,867.68, 7,070,965.20 and 2,800,763.32

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Solution

The fourth proportional to 5,123,867.68, 7,070,965.20 and 2,800,763.32 is: 3,865,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,867.68 : 7,070,965.20 = 2,800,763.32 : x
  2. Step 2: Convert to fraction form
    5,123,867.68/7,070,965.20 = 2,800,763.32/x
  3. Step 3: Cross multiply
    5,123,867.68x = 7,070,965.20 × 2,800,763.32
  4. Step 4: Simplify right side
    5,123,867.68x = 19,804,099,969,156.46
  5. Step 5: Solve for x
    x = 19,804,099,969,156.46/5,123,867.68
  6. Step 6: Final answer
    x = 3,865,068.58

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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.