Home / 1,996,642.72-2,997,623.78-1,350,389.23

Finding the Fourth Proportional to 1,996,642.72, 2,997,623.78 and 1,350,389.23

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Solution

The fourth proportional to 1,996,642.72, 2,997,623.78 and 1,350,389.23 is: 2,027,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,642.72 : 2,997,623.78 = 1,350,389.23 : x
  2. Step 2: Convert to fraction form
    1,996,642.72/2,997,623.78 = 1,350,389.23/x
  3. Step 3: Cross multiply
    1,996,642.72x = 2,997,623.78 × 1,350,389.23
  4. Step 4: Simplify right side
    1,996,642.72x = 4,047,958,863,985.80
  5. Step 5: Solve for x
    x = 4,047,958,863,985.80/1,996,642.72
  6. Step 6: Final answer
    x = 2,027,382.68

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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.