Home / 2,187,007.20-3,280,510.80-2,107,291.05

Finding the Fourth Proportional to 2,187,007.20, 3,280,510.80 and 2,107,291.05

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Solution

The fourth proportional to 2,187,007.20, 3,280,510.80 and 2,107,291.05 is: 3,160,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,007.20 : 3,280,510.80 = 2,107,291.05 : x
  2. Step 2: Convert to fraction form
    2,187,007.20/3,280,510.80 = 2,107,291.05/x
  3. Step 3: Cross multiply
    2,187,007.20x = 3,280,510.80 × 2,107,291.05
  4. Step 4: Simplify right side
    2,187,007.20x = 6,912,991,048,268.34
  5. Step 5: Solve for x
    x = 6,912,991,048,268.34/2,187,007.20
  6. Step 6: Final answer
    x = 3,160,936.58

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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.