Home / 1,997,824.40-2,996,111.88-667,817.36

Finding the Fourth Proportional to 1,997,824.40, 2,996,111.88 and 667,817.36

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Solution

The fourth proportional to 1,997,824.40, 2,996,111.88 and 667,817.36 is: 1,001,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,824.40 : 2,996,111.88 = 667,817.36 : x
  2. Step 2: Convert to fraction form
    1,997,824.40/2,996,111.88 = 667,817.36/x
  3. Step 3: Cross multiply
    1,997,824.40x = 2,996,111.88 × 667,817.36
  4. Step 4: Simplify right side
    1,997,824.40x = 2,000,855,525,966.24
  5. Step 5: Solve for x
    x = 2,000,855,525,966.24/1,997,824.40
  6. Step 6: Final answer
    x = 1,001,517.21

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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.