Home / 1,997,401.60-2,996,102.40-667,532.80

Finding the Fourth Proportional to 1,997,401.60, 2,996,102.40 and 667,532.80

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Solution

The fourth proportional to 1,997,401.60, 2,996,102.40 and 667,532.80 is: 1,001,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,401.60 : 2,996,102.40 = 667,532.80 : x
  2. Step 2: Convert to fraction form
    1,997,401.60/2,996,102.40 = 667,532.80/x
  3. Step 3: Cross multiply
    1,997,401.60x = 2,996,102.40 × 667,532.80
  4. Step 4: Simplify right side
    1,997,401.60x = 1,999,996,624,158.72
  5. Step 5: Solve for x
    x = 1,999,996,624,158.72/1,997,401.60
  6. Step 6: Final answer
    x = 1,001,299.20

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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.