Home / 2,100,397.47-3,151,156.85-752,696.31

Finding the Fourth Proportional to 2,100,397.47, 3,151,156.85 and 752,696.31

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Solution

The fourth proportional to 2,100,397.47, 3,151,156.85 and 752,696.31 is: 1,129,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,397.47 : 3,151,156.85 = 752,696.31 : x
  2. Step 2: Convert to fraction form
    2,100,397.47/3,151,156.85 = 752,696.31/x
  3. Step 3: Cross multiply
    2,100,397.47x = 3,151,156.85 × 752,696.31
  4. Step 4: Simplify right side
    2,100,397.47x = 2,371,864,133,226.22
  5. Step 5: Solve for x
    x = 2,371,864,133,226.22/2,100,397.47
  6. Step 6: Final answer
    x = 1,129,245.38

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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.