Home / 1,997,663.60-2,996,495.40-667,967.60

Finding the Fourth Proportional to 1,997,663.60, 2,996,495.40 and 667,967.60

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Solution

The fourth proportional to 1,997,663.60, 2,996,495.40 and 667,967.60 is: 1,001,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,663.60 : 2,996,495.40 = 667,967.60 : x
  2. Step 2: Convert to fraction form
    1,997,663.60/2,996,495.40 = 667,967.60/x
  3. Step 3: Cross multiply
    1,997,663.60x = 2,996,495.40 × 667,967.60
  4. Step 4: Simplify right side
    1,997,663.60x = 2,001,561,840,749.04
  5. Step 5: Solve for x
    x = 2,001,561,840,749.04/1,997,663.60
  6. Step 6: Final answer
    x = 1,001,951.40

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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.