Home / 2,128,209.40-3,192,314.10-1,750,295.80

Finding the Fourth Proportional to 2,128,209.40, 3,192,314.10 and 1,750,295.80

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Solution

The fourth proportional to 2,128,209.40, 3,192,314.10 and 1,750,295.80 is: 2,625,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,209.40 : 3,192,314.10 = 1,750,295.80 : x
  2. Step 2: Convert to fraction form
    2,128,209.40/3,192,314.10 = 1,750,295.80/x
  3. Step 3: Cross multiply
    2,128,209.40x = 3,192,314.10 × 1,750,295.80
  4. Step 4: Simplify right side
    2,128,209.40x = 5,587,493,961,510.78
  5. Step 5: Solve for x
    x = 5,587,493,961,510.78/2,128,209.40
  6. Step 6: Final answer
    x = 2,625,443.70

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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.