Home / 2,754,545.40-4,131,818.10-2,116,816.20

Finding the Fourth Proportional to 2,754,545.40, 4,131,818.10 and 2,116,816.20

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Solution

The fourth proportional to 2,754,545.40, 4,131,818.10 and 2,116,816.20 is: 3,175,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,545.40 : 4,131,818.10 = 2,116,816.20 : x
  2. Step 2: Convert to fraction form
    2,754,545.40/4,131,818.10 = 2,116,816.20/x
  3. Step 3: Cross multiply
    2,754,545.40x = 4,131,818.10 × 2,116,816.20
  4. Step 4: Simplify right side
    2,754,545.40x = 8,746,299,489,533.22
  5. Step 5: Solve for x
    x = 8,746,299,489,533.22/2,754,545.40
  6. Step 6: Final answer
    x = 3,175,224.30

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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.