Home / 1,627,246.60-2,438,537.10-1,197,428.20

Finding the Fourth Proportional to 1,627,246.60, 2,438,537.10 and 1,197,428.20

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Solution

The fourth proportional to 1,627,246.60, 2,438,537.10 and 1,197,428.20 is: 1,794,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,246.60 : 2,438,537.10 = 1,197,428.20 : x
  2. Step 2: Convert to fraction form
    1,627,246.60/2,438,537.10 = 1,197,428.20/x
  3. Step 3: Cross multiply
    1,627,246.60x = 2,438,537.10 × 1,197,428.20
  4. Step 4: Simplify right side
    1,627,246.60x = 2,919,973,090,286.22
  5. Step 5: Solve for x
    x = 2,919,973,090,286.22/1,627,246.60
  6. Step 6: Final answer
    x = 1,794,425.68

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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.