Home / 3,886,456.20-5,821,811.10-2,201,591.40

Finding the Fourth Proportional to 3,886,456.20, 5,821,811.10 and 2,201,591.40

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Solution

The fourth proportional to 3,886,456.20, 5,821,811.10 and 2,201,591.40 is: 3,297,927.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,456.20 : 5,821,811.10 = 2,201,591.40 : x
  2. Step 2: Convert to fraction form
    3,886,456.20/5,821,811.10 = 2,201,591.40/x
  3. Step 3: Cross multiply
    3,886,456.20x = 5,821,811.10 × 2,201,591.40
  4. Step 4: Simplify right side
    3,886,456.20x = 12,817,249,250,184.54
  5. Step 5: Solve for x
    x = 12,817,249,250,184.54/3,886,456.20
  6. Step 6: Final answer
    x = 3,297,927.11

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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.