Home / 3,990,578.40-5,988,200.40-1,466,488.80

Finding the Fourth Proportional to 3,990,578.40, 5,988,200.40 and 1,466,488.80

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Solution

The fourth proportional to 3,990,578.40, 5,988,200.40 and 1,466,488.80 is: 2,200,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,578.40 : 5,988,200.40 = 1,466,488.80 : x
  2. Step 2: Convert to fraction form
    3,990,578.40/5,988,200.40 = 1,466,488.80/x
  3. Step 3: Cross multiply
    3,990,578.40x = 5,988,200.40 × 1,466,488.80
  4. Step 4: Simplify right side
    3,990,578.40x = 8,781,628,818,755.52
  5. Step 5: Solve for x
    x = 8,781,628,818,755.52/3,990,578.40
  6. Step 6: Final answer
    x = 2,200,590.48

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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.