Home / 2,715,077.80-4,065,618.30-2,155,205.80

Finding the Fourth Proportional to 2,715,077.80, 4,065,618.30 and 2,155,205.80

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Solution

The fourth proportional to 2,715,077.80, 4,065,618.30 and 2,155,205.80 is: 3,227,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,077.80 : 4,065,618.30 = 2,155,205.80 : x
  2. Step 2: Convert to fraction form
    2,715,077.80/4,065,618.30 = 2,155,205.80/x
  3. Step 3: Cross multiply
    2,715,077.80x = 4,065,618.30 × 2,155,205.80
  4. Step 4: Simplify right side
    2,715,077.80x = 8,762,244,140,746.14
  5. Step 5: Solve for x
    x = 8,762,244,140,746.14/2,715,077.80
  6. Step 6: Final answer
    x = 3,227,253.43

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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.