Home / 3,148,577.03-4,722,637.77-990,219.56

Finding the Fourth Proportional to 3,148,577.03, 4,722,637.77 and 990,219.56

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Solution

The fourth proportional to 3,148,577.03, 4,722,637.77 and 990,219.56 is: 1,485,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,577.03 : 4,722,637.77 = 990,219.56 : x
  2. Step 2: Convert to fraction form
    3,148,577.03/4,722,637.77 = 990,219.56/x
  3. Step 3: Cross multiply
    3,148,577.03x = 4,722,637.77 × 990,219.56
  4. Step 4: Simplify right side
    3,148,577.03x = 4,676,448,284,318.01
  5. Step 5: Solve for x
    x = 4,676,448,284,318.01/3,148,577.03
  6. Step 6: Final answer
    x = 1,485,257.70

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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.