Home / 3,621,965.40-5,432,948.10-2,187,074.70

Finding the Fourth Proportional to 3,621,965.40, 5,432,948.10 and 2,187,074.70

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Solution

The fourth proportional to 3,621,965.40, 5,432,948.10 and 2,187,074.70 is: 3,280,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,965.40 : 5,432,948.10 = 2,187,074.70 : x
  2. Step 2: Convert to fraction form
    3,621,965.40/5,432,948.10 = 2,187,074.70/x
  3. Step 3: Cross multiply
    3,621,965.40x = 5,432,948.10 × 2,187,074.70
  4. Step 4: Simplify right side
    3,621,965.40x = 11,882,263,335,923.07
  5. Step 5: Solve for x
    x = 11,882,263,335,923.07/3,621,965.40
  6. Step 6: Final answer
    x = 3,280,612.05

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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.