Home / 2,421,659.40-3,632,489.10-2,160,385.80

Finding the Fourth Proportional to 2,421,659.40, 3,632,489.10 and 2,160,385.80

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Solution

The fourth proportional to 2,421,659.40, 3,632,489.10 and 2,160,385.80 is: 3,240,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,659.40 : 3,632,489.10 = 2,160,385.80 : x
  2. Step 2: Convert to fraction form
    2,421,659.40/3,632,489.10 = 2,160,385.80/x
  3. Step 3: Cross multiply
    2,421,659.40x = 3,632,489.10 × 2,160,385.80
  4. Step 4: Simplify right side
    2,421,659.40x = 7,847,577,870,294.78
  5. Step 5: Solve for x
    x = 7,847,577,870,294.78/2,421,659.40
  6. Step 6: Final answer
    x = 3,240,578.70

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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.