Home / 3,143,220.12-4,338,165.60-1,854,377.28

Finding the Fourth Proportional to 3,143,220.12, 4,338,165.60 and 1,854,377.28

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Solution

The fourth proportional to 3,143,220.12, 4,338,165.60 and 1,854,377.28 is: 2,559,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,220.12 : 4,338,165.60 = 1,854,377.28 : x
  2. Step 2: Convert to fraction form
    3,143,220.12/4,338,165.60 = 1,854,377.28/x
  3. Step 3: Cross multiply
    3,143,220.12x = 4,338,165.60 × 1,854,377.28
  4. Step 4: Simplify right side
    3,143,220.12x = 8,044,595,725,517.57
  5. Step 5: Solve for x
    x = 8,044,595,725,517.57/3,143,220.12
  6. Step 6: Final answer
    x = 2,559,348.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.