Home / 2,058,689.80-3,088,034.70-1,918,721.80

Finding the Fourth Proportional to 2,058,689.80, 3,088,034.70 and 1,918,721.80

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Solution

The fourth proportional to 2,058,689.80, 3,088,034.70 and 1,918,721.80 is: 2,878,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,689.80 : 3,088,034.70 = 1,918,721.80 : x
  2. Step 2: Convert to fraction form
    2,058,689.80/3,088,034.70 = 1,918,721.80/x
  3. Step 3: Cross multiply
    2,058,689.80x = 3,088,034.70 × 1,918,721.80
  4. Step 4: Simplify right side
    2,058,689.80x = 5,925,079,498,046.46
  5. Step 5: Solve for x
    x = 5,925,079,498,046.46/2,058,689.80
  6. Step 6: Final answer
    x = 2,878,082.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.