Home / 2,556,530.64-3,527,520.60-1,538,000.88

Finding the Fourth Proportional to 2,556,530.64, 3,527,520.60 and 1,538,000.88

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Solution

The fourth proportional to 2,556,530.64, 3,527,520.60 and 1,538,000.88 is: 2,122,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,530.64 : 3,527,520.60 = 1,538,000.88 : x
  2. Step 2: Convert to fraction form
    2,556,530.64/3,527,520.60 = 1,538,000.88/x
  3. Step 3: Cross multiply
    2,556,530.64x = 3,527,520.60 × 1,538,000.88
  4. Step 4: Simplify right side
    2,556,530.64x = 5,425,329,787,018.13
  5. Step 5: Solve for x
    x = 5,425,329,787,018.13/2,556,530.64
  6. Step 6: Final answer
    x = 2,122,145.42

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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.