Home / 3,149,331.19-4,724,821.75-990,269.10

Finding the Fourth Proportional to 3,149,331.19, 4,724,821.75 and 990,269.10

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Solution

The fourth proportional to 3,149,331.19, 4,724,821.75 and 990,269.10 is: 1,485,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,331.19 : 4,724,821.75 = 990,269.10 : x
  2. Step 2: Convert to fraction form
    3,149,331.19/4,724,821.75 = 990,269.10/x
  3. Step 3: Cross multiply
    3,149,331.19x = 4,724,821.75 × 990,269.10
  4. Step 4: Simplify right side
    3,149,331.19x = 4,678,844,982,032.93
  5. Step 5: Solve for x
    x = 4,678,844,982,032.93/3,149,331.19
  6. Step 6: Final answer
    x = 1,485,663.05

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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.