Home / 2,191,070.76-3,023,834.11-1,210,988.73

Finding the Fourth Proportional to 2,191,070.76, 3,023,834.11 and 1,210,988.73

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Solution

The fourth proportional to 2,191,070.76, 3,023,834.11 and 1,210,988.73 is: 1,671,250.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,070.76 : 3,023,834.11 = 1,210,988.73 : x
  2. Step 2: Convert to fraction form
    2,191,070.76/3,023,834.11 = 1,210,988.73/x
  3. Step 3: Cross multiply
    2,191,070.76x = 3,023,834.11 × 1,210,988.73
  4. Step 4: Simplify right side
    2,191,070.76x = 3,661,829,007,425.47
  5. Step 5: Solve for x
    x = 3,661,829,007,425.47/2,191,070.76
  6. Step 6: Final answer
    x = 1,671,250.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.