Home / 2,929,538.78-4,042,795.85-1,622,810.83

Finding the Fourth Proportional to 2,929,538.78, 4,042,795.85 and 1,622,810.83

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Solution

The fourth proportional to 2,929,538.78, 4,042,795.85 and 1,622,810.83 is: 2,239,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,538.78 : 4,042,795.85 = 1,622,810.83 : x
  2. Step 2: Convert to fraction form
    2,929,538.78/4,042,795.85 = 1,622,810.83/x
  3. Step 3: Cross multiply
    2,929,538.78x = 4,042,795.85 × 1,622,810.83
  4. Step 4: Simplify right side
    2,929,538.78x = 6,560,692,888,859.06
  5. Step 5: Solve for x
    x = 6,560,692,888,859.06/2,929,538.78
  6. Step 6: Final answer
    x = 2,239,496.86

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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.