Home / 1,940,861.90-2,912,167.65-929,593.10

Finding the Fourth Proportional to 1,940,861.90, 2,912,167.65 and 929,593.10

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Solution

The fourth proportional to 1,940,861.90, 2,912,167.65 and 929,593.10 is: 1,394,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,861.90 : 2,912,167.65 = 929,593.10 : x
  2. Step 2: Convert to fraction form
    1,940,861.90/2,912,167.65 = 929,593.10/x
  3. Step 3: Cross multiply
    1,940,861.90x = 2,912,167.65 × 929,593.10
  4. Step 4: Simplify right side
    1,940,861.90x = 2,707,130,953,483.22
  5. Step 5: Solve for x
    x = 2,707,130,953,483.22/1,940,861.90
  6. Step 6: Final answer
    x = 1,394,808.64

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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.