Home / 2,151,959.16-2,969,712.54-1,234,223.76

Finding the Fourth Proportional to 2,151,959.16, 2,969,712.54 and 1,234,223.76

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Solution

The fourth proportional to 2,151,959.16, 2,969,712.54 and 1,234,223.76 is: 1,703,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,959.16 : 2,969,712.54 = 1,234,223.76 : x
  2. Step 2: Convert to fraction form
    2,151,959.16/2,969,712.54 = 1,234,223.76/x
  3. Step 3: Cross multiply
    2,151,959.16x = 2,969,712.54 × 1,234,223.76
  4. Step 4: Simplify right side
    2,151,959.16x = 3,665,289,777,237.95
  5. Step 5: Solve for x
    x = 3,665,289,777,237.95/2,151,959.16
  6. Step 6: Final answer
    x = 1,703,233.89

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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.