Home / 3,621,902.90-5,432,854.35-2,187,012.20

Finding the Fourth Proportional to 3,621,902.90, 5,432,854.35 and 2,187,012.20

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Solution

The fourth proportional to 3,621,902.90, 5,432,854.35 and 2,187,012.20 is: 3,280,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,902.90 : 5,432,854.35 = 2,187,012.20 : x
  2. Step 2: Convert to fraction form
    3,621,902.90/5,432,854.35 = 2,187,012.20/x
  3. Step 3: Cross multiply
    3,621,902.90x = 5,432,854.35 × 2,187,012.20
  4. Step 4: Simplify right side
    3,621,902.90x = 11,881,718,744,273.07
  5. Step 5: Solve for x
    x = 11,881,718,744,273.07/3,621,902.90
  6. Step 6: Final answer
    x = 3,280,518.30

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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.