Home / 3,230,425.91-4,458,017.65-1,780,173.25

Finding the Fourth Proportional to 3,230,425.91, 4,458,017.65 and 1,780,173.25

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Solution

The fourth proportional to 3,230,425.91, 4,458,017.65 and 1,780,173.25 is: 2,456,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,425.91 : 4,458,017.65 = 1,780,173.25 : x
  2. Step 2: Convert to fraction form
    3,230,425.91/4,458,017.65 = 1,780,173.25/x
  3. Step 3: Cross multiply
    3,230,425.91x = 4,458,017.65 × 1,780,173.25
  4. Step 4: Simplify right side
    3,230,425.91x = 7,936,043,750,718.21
  5. Step 5: Solve for x
    x = 7,936,043,750,718.21/3,230,425.91
  6. Step 6: Final answer
    x = 2,456,655.55

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Double scale
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1.5x scale

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.