Home / 2,747,807.20-4,120,544.40-1,328,298.40

Finding the Fourth Proportional to 2,747,807.20, 4,120,544.40 and 1,328,298.40

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Solution

The fourth proportional to 2,747,807.20, 4,120,544.40 and 1,328,298.40 is: 1,991,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747,807.20 : 4,120,544.40 = 1,328,298.40 : x
  2. Step 2: Convert to fraction form
    2,747,807.20/4,120,544.40 = 1,328,298.40/x
  3. Step 3: Cross multiply
    2,747,807.20x = 4,120,544.40 × 1,328,298.40
  4. Step 4: Simplify right side
    2,747,807.20x = 5,473,312,533,648.96
  5. Step 5: Solve for x
    x = 5,473,312,533,648.96/2,747,807.20
  6. Step 6: Final answer
    x = 1,991,883.76

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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.