Home / 2,739,822.78-3,781,357.02-1,578,042.93

Finding the Fourth Proportional to 2,739,822.78, 3,781,357.02 and 1,578,042.93

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Solution

The fourth proportional to 2,739,822.78, 3,781,357.02 and 1,578,042.93 is: 2,177,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,822.78 : 3,781,357.02 = 1,578,042.93 : x
  2. Step 2: Convert to fraction form
    2,739,822.78/3,781,357.02 = 1,578,042.93/x
  3. Step 3: Cross multiply
    2,739,822.78x = 3,781,357.02 × 1,578,042.93
  4. Step 4: Simplify right side
    2,739,822.78x = 5,967,143,725,396.96
  5. Step 5: Solve for x
    x = 5,967,143,725,396.96/2,739,822.78
  6. Step 6: Final answer
    x = 2,177,930.54

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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.