Home / 1,945,729.98-2,920,389.08-986,858.55

Finding the Fourth Proportional to 1,945,729.98, 2,920,389.08 and 986,858.55

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Solution

The fourth proportional to 1,945,729.98, 2,920,389.08 and 986,858.55 is: 1,481,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,729.98 : 2,920,389.08 = 986,858.55 : x
  2. Step 2: Convert to fraction form
    1,945,729.98/2,920,389.08 = 986,858.55/x
  3. Step 3: Cross multiply
    1,945,729.98x = 2,920,389.08 × 986,858.55
  4. Step 4: Simplify right side
    1,945,729.98x = 2,882,010,927,990.34
  5. Step 5: Solve for x
    x = 2,882,010,927,990.34/1,945,729.98
  6. Step 6: Final answer
    x = 1,481,197.78

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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.