Home / 3,462,687-4,778,418.96-1,934,806.68

Finding the Fourth Proportional to 3,462,687, 4,778,418.96 and 1,934,806.68

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Solution

The fourth proportional to 3,462,687, 4,778,418.96 and 1,934,806.68 is: 2,669,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,687 : 4,778,418.96 = 1,934,806.68 : x
  2. Step 2: Convert to fraction form
    3,462,687/4,778,418.96 = 1,934,806.68/x
  3. Step 3: Cross multiply
    3,462,687x = 4,778,418.96 × 1,934,806.68
  4. Step 4: Simplify right side
    3,462,687x = 9,245,316,923,646.65
  5. Step 5: Solve for x
    x = 9,245,316,923,646.65/3,462,687
  6. Step 6: Final answer
    x = 2,669,983.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.