Home / 6,443,621.48-9,665,428.17-1,894,707.65

Finding the Fourth Proportional to 6,443,621.48, 9,665,428.17 and 1,894,707.65

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Solution

The fourth proportional to 6,443,621.48, 9,665,428.17 and 1,894,707.65 is: 2,842,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443,621.48 : 9,665,428.17 = 1,894,707.65 : x
  2. Step 2: Convert to fraction form
    6,443,621.48/9,665,428.17 = 1,894,707.65/x
  3. Step 3: Cross multiply
    6,443,621.48x = 9,665,428.17 × 1,894,707.65
  4. Step 4: Simplify right side
    6,443,621.48x = 18,313,160,725,493.23
  5. Step 5: Solve for x
    x = 18,313,160,725,493.23/6,443,621.48
  6. Step 6: Final answer
    x = 2,842,060.29

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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.