Home / 3,079,215.12-4,617,245.61-1,640,718.30

Finding the Fourth Proportional to 3,079,215.12, 4,617,245.61 and 1,640,718.30

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Solution

The fourth proportional to 3,079,215.12, 4,617,245.61 and 1,640,718.30 is: 2,460,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,215.12 : 4,617,245.61 = 1,640,718.30 : x
  2. Step 2: Convert to fraction form
    3,079,215.12/4,617,245.61 = 1,640,718.30/x
  3. Step 3: Cross multiply
    3,079,215.12x = 4,617,245.61 × 1,640,718.30
  4. Step 4: Simplify right side
    3,079,215.12x = 7,575,599,367,921.66
  5. Step 5: Solve for x
    x = 7,575,599,367,921.66/3,079,215.12
  6. Step 6: Final answer
    x = 2,460,237.13

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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.