Home / 2,207,704.80-3,309,807.60-1,210,432.80

Finding the Fourth Proportional to 2,207,704.80, 3,309,807.60 and 1,210,432.80

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Solution

The fourth proportional to 2,207,704.80, 3,309,807.60 and 1,210,432.80 is: 1,814,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,704.80 : 3,309,807.60 = 1,210,432.80 : x
  2. Step 2: Convert to fraction form
    2,207,704.80/3,309,807.60 = 1,210,432.80/x
  3. Step 3: Cross multiply
    2,207,704.80x = 3,309,807.60 × 1,210,432.80
  4. Step 4: Simplify right side
    2,207,704.80x = 4,006,299,680,729.28
  5. Step 5: Solve for x
    x = 4,006,299,680,729.28/2,207,704.80
  6. Step 6: Final answer
    x = 1,814,689.94

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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.