Home / 2,979,029.06-4,110,939.02-1,689,841.76

Finding the Fourth Proportional to 2,979,029.06, 4,110,939.02 and 1,689,841.76

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Solution

The fourth proportional to 2,979,029.06, 4,110,939.02 and 1,689,841.76 is: 2,331,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,029.06 : 4,110,939.02 = 1,689,841.76 : x
  2. Step 2: Convert to fraction form
    2,979,029.06/4,110,939.02 = 1,689,841.76/x
  3. Step 3: Cross multiply
    2,979,029.06x = 4,110,939.02 × 1,689,841.76
  4. Step 4: Simplify right side
    2,979,029.06x = 6,946,836,428,809.48
  5. Step 5: Solve for x
    x = 6,946,836,428,809.48/2,979,029.06
  6. Step 6: Final answer
    x = 2,331,912.95

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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.