Home / 3,162,384-4,743,707.22-918,522

Finding the Fourth Proportional to 3,162,384, 4,743,707.22 and 918,522

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Solution

The fourth proportional to 3,162,384, 4,743,707.22 and 918,522 is: 1,377,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,384 : 4,743,707.22 = 918,522 : x
  2. Step 2: Convert to fraction form
    3,162,384/4,743,707.22 = 918,522/x
  3. Step 3: Cross multiply
    3,162,384x = 4,743,707.22 × 918,522
  4. Step 4: Simplify right side
    3,162,384x = 4,357,199,443,128.84
  5. Step 5: Solve for x
    x = 4,357,199,443,128.84/3,162,384
  6. Step 6: Final answer
    x = 1,377,821.11

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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.