Home / 3,280,538.70-4,920,808.05-2,005,080.30

Finding the Fourth Proportional to 3,280,538.70, 4,920,808.05 and 2,005,080.30

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Solution

The fourth proportional to 3,280,538.70, 4,920,808.05 and 2,005,080.30 is: 3,007,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,538.70 : 4,920,808.05 = 2,005,080.30 : x
  2. Step 2: Convert to fraction form
    3,280,538.70/4,920,808.05 = 2,005,080.30/x
  3. Step 3: Cross multiply
    3,280,538.70x = 4,920,808.05 × 2,005,080.30
  4. Step 4: Simplify right side
    3,280,538.70x = 9,866,615,281,136.41
  5. Step 5: Solve for x
    x = 9,866,615,281,136.41/3,280,538.70
  6. Step 6: Final answer
    x = 3,007,620.45

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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.