Home / 2,171,223.47-2,996,230.56-1,253,421.58

Finding the Fourth Proportional to 2,171,223.47, 2,996,230.56 and 1,253,421.58

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Solution

The fourth proportional to 2,171,223.47, 2,996,230.56 and 1,253,421.58 is: 1,729,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,223.47 : 2,996,230.56 = 1,253,421.58 : x
  2. Step 2: Convert to fraction form
    2,171,223.47/2,996,230.56 = 1,253,421.58/x
  3. Step 3: Cross multiply
    2,171,223.47x = 2,996,230.56 × 1,253,421.58
  4. Step 4: Simplify right side
    2,171,223.47x = 3,755,540,042,559.49
  5. Step 5: Solve for x
    x = 3,755,540,042,559.49/2,171,223.47
  6. Step 6: Final answer
    x = 1,729,688.40

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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.