Home / 2,725,210.80-4,087,816.20-831,706.20

Finding the Fourth Proportional to 2,725,210.80, 4,087,816.20 and 831,706.20

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Solution

The fourth proportional to 2,725,210.80, 4,087,816.20 and 831,706.20 is: 1,247,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725,210.80 : 4,087,816.20 = 831,706.20 : x
  2. Step 2: Convert to fraction form
    2,725,210.80/4,087,816.20 = 831,706.20/x
  3. Step 3: Cross multiply
    2,725,210.80x = 4,087,816.20 × 831,706.20
  4. Step 4: Simplify right side
    2,725,210.80x = 3,399,862,078,000.44
  5. Step 5: Solve for x
    x = 3,399,862,078,000.44/2,725,210.80
  6. Step 6: Final answer
    x = 1,247,559.30

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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.