Home / 3,499,339.12-5,249,008.76-839,947.12

Finding the Fourth Proportional to 3,499,339.12, 5,249,008.76 and 839,947.12

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Solution

The fourth proportional to 3,499,339.12, 5,249,008.76 and 839,947.12 is: 1,259,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,339.12 : 5,249,008.76 = 839,947.12 : x
  2. Step 2: Convert to fraction form
    3,499,339.12/5,249,008.76 = 839,947.12/x
  3. Step 3: Cross multiply
    3,499,339.12x = 5,249,008.76 × 839,947.12
  4. Step 4: Simplify right side
    3,499,339.12x = 4,408,889,790,816.77
  5. Step 5: Solve for x
    x = 4,408,889,790,816.77/3,499,339.12
  6. Step 6: Final answer
    x = 1,259,920.70

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Similar ratio
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1.5x scale

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.