Home / 2,852,680.77-4,279,218.03-830,941.47

Finding the Fourth Proportional to 2,852,680.77, 4,279,218.03 and 830,941.47

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Solution

The fourth proportional to 2,852,680.77, 4,279,218.03 and 830,941.47 is: 1,246,469.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,680.77 : 4,279,218.03 = 830,941.47 : x
  2. Step 2: Convert to fraction form
    2,852,680.77/4,279,218.03 = 830,941.47/x
  3. Step 3: Cross multiply
    2,852,680.77x = 4,279,218.03 × 830,941.47
  4. Step 4: Simplify right side
    2,852,680.77x = 3,555,779,720,298.70
  5. Step 5: Solve for x
    x = 3,555,779,720,298.70/2,852,680.77
  6. Step 6: Final answer
    x = 1,246,469.55

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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.