Home / 3,148,578.03-4,722,639.27-990,220.56

Finding the Fourth Proportional to 3,148,578.03, 4,722,639.27 and 990,220.56

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Solution

The fourth proportional to 3,148,578.03, 4,722,639.27 and 990,220.56 is: 1,485,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,578.03 : 4,722,639.27 = 990,220.56 : x
  2. Step 2: Convert to fraction form
    3,148,578.03/4,722,639.27 = 990,220.56/x
  3. Step 3: Cross multiply
    3,148,578.03x = 4,722,639.27 × 990,220.56
  4. Step 4: Simplify right side
    3,148,578.03x = 4,676,454,502,617.39
  5. Step 5: Solve for x
    x = 4,676,454,502,617.39/3,148,578.03
  6. Step 6: Final answer
    x = 1,485,259.21

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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.