Home / 2,825,930.16-3,898,411.92-1,679,198.40

Finding the Fourth Proportional to 2,825,930.16, 3,898,411.92 and 1,679,198.40

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Solution

The fourth proportional to 2,825,930.16, 3,898,411.92 and 1,679,198.40 is: 2,316,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,930.16 : 3,898,411.92 = 1,679,198.40 : x
  2. Step 2: Convert to fraction form
    2,825,930.16/3,898,411.92 = 1,679,198.40/x
  3. Step 3: Cross multiply
    2,825,930.16x = 3,898,411.92 × 1,679,198.40
  4. Step 4: Simplify right side
    2,825,930.16x = 6,546,207,058,604.93
  5. Step 5: Solve for x
    x = 6,546,207,058,604.93/2,825,930.16
  6. Step 6: Final answer
    x = 2,316,478.71

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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.