Home / 2,187,007.80-3,280,511.70-2,127,958.80

Finding the Fourth Proportional to 2,187,007.80, 3,280,511.70 and 2,127,958.80

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Solution

The fourth proportional to 2,187,007.80, 3,280,511.70 and 2,127,958.80 is: 3,191,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,007.80 : 3,280,511.70 = 2,127,958.80 : x
  2. Step 2: Convert to fraction form
    2,187,007.80/3,280,511.70 = 2,127,958.80/x
  3. Step 3: Cross multiply
    2,187,007.80x = 3,280,511.70 × 2,127,958.80
  4. Step 4: Simplify right side
    2,187,007.80x = 6,980,793,740,517.96
  5. Step 5: Solve for x
    x = 6,980,793,740,517.96/2,187,007.80
  6. Step 6: Final answer
    x = 3,191,938.20

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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.