Home / 2,187,007.80-3,277,887.30-1,121,501.40

Finding the Fourth Proportional to 2,187,007.80, 3,277,887.30 and 1,121,501.40

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Solution

The fourth proportional to 2,187,007.80, 3,277,887.30 and 1,121,501.40 is: 1,680,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,007.80 : 3,277,887.30 = 1,121,501.40 : x
  2. Step 2: Convert to fraction form
    2,187,007.80/3,277,887.30 = 1,121,501.40/x
  3. Step 3: Cross multiply
    2,187,007.80x = 3,277,887.30 × 1,121,501.40
  4. Step 4: Simplify right side
    2,187,007.80x = 3,676,155,195,992.22
  5. Step 5: Solve for x
    x = 3,676,155,195,992.22/2,187,007.80
  6. Step 6: Final answer
    x = 1,680,906.30

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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.