Home / 6,620,125.20-9,135,780.84-3,719,514.39

Finding the Fourth Proportional to 6,620,125.20, 9,135,780.84 and 3,719,514.39

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Solution

The fourth proportional to 6,620,125.20, 9,135,780.84 and 3,719,514.39 is: 5,132,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,620,125.20 : 9,135,780.84 = 3,719,514.39 : x
  2. Step 2: Convert to fraction form
    6,620,125.20/9,135,780.84 = 3,719,514.39/x
  3. Step 3: Cross multiply
    6,620,125.20x = 9,135,780.84 × 3,719,514.39
  4. Step 4: Simplify right side
    6,620,125.20x = 33,980,668,298,266.29
  5. Step 5: Solve for x
    x = 33,980,668,298,266.29/6,620,125.20
  6. Step 6: Final answer
    x = 5,132,934.39

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1.5x scale

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.