Home / 1,796,897.76-2,479,724.16-981,108.48

Finding the Fourth Proportional to 1,796,897.76, 2,479,724.16 and 981,108.48

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Solution

The fourth proportional to 1,796,897.76, 2,479,724.16 and 981,108.48 is: 1,353,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,897.76 : 2,479,724.16 = 981,108.48 : x
  2. Step 2: Convert to fraction form
    1,796,897.76/2,479,724.16 = 981,108.48/x
  3. Step 3: Cross multiply
    1,796,897.76x = 2,479,724.16 × 981,108.48
  4. Step 4: Simplify right side
    1,796,897.76x = 2,432,878,401,436.88
  5. Step 5: Solve for x
    x = 2,432,878,401,436.88/1,796,897.76
  6. Step 6: Final answer
    x = 1,353,932.57

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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.