Home / 1,976,381.88-2,963,846.42-679,166.20

Finding the Fourth Proportional to 1,976,381.88, 2,963,846.42 and 679,166.20

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Solution

The fourth proportional to 1,976,381.88, 2,963,846.42 and 679,166.20 is: 1,018,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,381.88 : 2,963,846.42 = 679,166.20 : x
  2. Step 2: Convert to fraction form
    1,976,381.88/2,963,846.42 = 679,166.20/x
  3. Step 3: Cross multiply
    1,976,381.88x = 2,963,846.42 × 679,166.20
  4. Step 4: Simplify right side
    1,976,381.88x = 2,012,944,310,455.00
  5. Step 5: Solve for x
    x = 2,012,944,310,455.00/1,976,381.88
  6. Step 6: Final answer
    x = 1,018,499.68

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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.