Home / 2,224,987.20-3,337,480.80-1,213,718.40

Finding the Fourth Proportional to 2,224,987.20, 3,337,480.80 and 1,213,718.40

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Solution

The fourth proportional to 2,224,987.20, 3,337,480.80 and 1,213,718.40 is: 1,820,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224,987.20 : 3,337,480.80 = 1,213,718.40 : x
  2. Step 2: Convert to fraction form
    2,224,987.20/3,337,480.80 = 1,213,718.40/x
  3. Step 3: Cross multiply
    2,224,987.20x = 3,337,480.80 × 1,213,718.40
  4. Step 4: Simplify right side
    2,224,987.20x = 4,050,761,856,606.72
  5. Step 5: Solve for x
    x = 4,050,761,856,606.72/2,224,987.20
  6. Step 6: Final answer
    x = 1,820,577.60

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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.