Home / 2,142,769.64-3,214,062.30-646,817

Finding the Fourth Proportional to 2,142,769.64, 3,214,062.30 and 646,817

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Solution

The fourth proportional to 2,142,769.64, 3,214,062.30 and 646,817 is: 970,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,769.64 : 3,214,062.30 = 646,817 : x
  2. Step 2: Convert to fraction form
    2,142,769.64/3,214,062.30 = 646,817/x
  3. Step 3: Cross multiply
    2,142,769.64x = 3,214,062.30 × 646,817
  4. Step 4: Simplify right side
    2,142,769.64x = 2,078,910,134,699.10
  5. Step 5: Solve for x
    x = 2,078,910,134,699.10/2,142,769.64
  6. Step 6: Final answer
    x = 970,197.68

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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.