Home / 2,631,209.20-3,946,943.40-1,371,497.20

Finding the Fourth Proportional to 2,631,209.20, 3,946,943.40 and 1,371,497.20

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Solution

The fourth proportional to 2,631,209.20, 3,946,943.40 and 1,371,497.20 is: 2,057,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,209.20 : 3,946,943.40 = 1,371,497.20 : x
  2. Step 2: Convert to fraction form
    2,631,209.20/3,946,943.40 = 1,371,497.20/x
  3. Step 3: Cross multiply
    2,631,209.20x = 3,946,943.40 × 1,371,497.20
  4. Step 4: Simplify right side
    2,631,209.20x = 5,413,221,821,658.48
  5. Step 5: Solve for x
    x = 5,413,221,821,658.48/2,631,209.20
  6. Step 6: Final answer
    x = 2,057,313.35

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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.