Home / 3,526,836.20-5,290,254.30-867,444.20

Finding the Fourth Proportional to 3,526,836.20, 5,290,254.30 and 867,444.20

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Solution

The fourth proportional to 3,526,836.20, 5,290,254.30 and 867,444.20 is: 1,301,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526,836.20 : 5,290,254.30 = 867,444.20 : x
  2. Step 2: Convert to fraction form
    3,526,836.20/5,290,254.30 = 867,444.20/x
  3. Step 3: Cross multiply
    3,526,836.20x = 5,290,254.30 × 867,444.20
  4. Step 4: Simplify right side
    3,526,836.20x = 4,589,000,409,060.06
  5. Step 5: Solve for x
    x = 4,589,000,409,060.06/3,526,836.20
  6. Step 6: Final answer
    x = 1,301,166.30

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Double scale
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Similar ratio
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1.5x scale

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.