Home / 4,149,139.40-6,228,374.70-3,206,688.20

Finding the Fourth Proportional to 4,149,139.40, 6,228,374.70 and 3,206,688.20

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Solution

The fourth proportional to 4,149,139.40, 6,228,374.70 and 3,206,688.20 is: 4,813,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149,139.40 : 6,228,374.70 = 3,206,688.20 : x
  2. Step 2: Convert to fraction form
    4,149,139.40/6,228,374.70 = 3,206,688.20/x
  3. Step 3: Cross multiply
    4,149,139.40x = 6,228,374.70 × 3,206,688.20
  4. Step 4: Simplify right side
    4,149,139.40x = 19,972,455,655,668.54
  5. Step 5: Solve for x
    x = 19,972,455,655,668.54/4,149,139.40
  6. Step 6: Final answer
    x = 4,813,638.14

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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.