Home / 3,109,046.95-4,663,570.12-1,214,459.79

Finding the Fourth Proportional to 3,109,046.95, 4,663,570.12 and 1,214,459.79

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Solution

The fourth proportional to 3,109,046.95, 4,663,570.12 and 1,214,459.79 is: 1,821,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,046.95 : 4,663,570.12 = 1,214,459.79 : x
  2. Step 2: Convert to fraction form
    3,109,046.95/4,663,570.12 = 1,214,459.79/x
  3. Step 3: Cross multiply
    3,109,046.95x = 4,663,570.12 × 1,214,459.79
  4. Step 4: Simplify right side
    3,109,046.95x = 5,663,718,388,585.48
  5. Step 5: Solve for x
    x = 5,663,718,388,585.48/3,109,046.95
  6. Step 6: Final answer
    x = 1,821,689.57

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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.