Home / 2,210,191.20-3,315,286.80-1,650,319.20

Finding the Fourth Proportional to 2,210,191.20, 3,315,286.80 and 1,650,319.20

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Solution

The fourth proportional to 2,210,191.20, 3,315,286.80 and 1,650,319.20 is: 2,475,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210,191.20 : 3,315,286.80 = 1,650,319.20 : x
  2. Step 2: Convert to fraction form
    2,210,191.20/3,315,286.80 = 1,650,319.20/x
  3. Step 3: Cross multiply
    2,210,191.20x = 3,315,286.80 × 1,650,319.20
  4. Step 4: Simplify right side
    2,210,191.20x = 5,471,281,459,546.56
  5. Step 5: Solve for x
    x = 5,471,281,459,546.56/2,210,191.20
  6. Step 6: Final answer
    x = 2,475,478.80

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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.