Home / 3,526,821.20-5,290,231.80-867,429.20

Finding the Fourth Proportional to 3,526,821.20, 5,290,231.80 and 867,429.20

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Solution

The fourth proportional to 3,526,821.20, 5,290,231.80 and 867,429.20 is: 1,301,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,821.20 : 5,290,231.80 = 867,429.20 : x
  2. Step 2: Convert to fraction form
    3,526,821.20/5,290,231.80 = 867,429.20/x
  3. Step 3: Cross multiply
    3,526,821.20x = 5,290,231.80 × 867,429.20
  4. Step 4: Simplify right side
    3,526,821.20x = 4,588,901,538,088.56
  5. Step 5: Solve for x
    x = 4,588,901,538,088.56/3,526,821.20
  6. Step 6: Final answer
    x = 1,301,143.80

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Similar ratio
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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.