Home / 2,878,189.61-4,319,540.46-2,007,965.30

Finding the Fourth Proportional to 2,878,189.61, 4,319,540.46 and 2,007,965.30

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Solution

The fourth proportional to 2,878,189.61, 4,319,540.46 and 2,007,965.30 is: 3,013,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,189.61 : 4,319,540.46 = 2,007,965.30 : x
  2. Step 2: Convert to fraction form
    2,878,189.61/4,319,540.46 = 2,007,965.30/x
  3. Step 3: Cross multiply
    2,878,189.61x = 4,319,540.46 × 2,007,965.30
  4. Step 4: Simplify right side
    2,878,189.61x = 8,673,487,334,028.34
  5. Step 5: Solve for x
    x = 8,673,487,334,028.34/2,878,189.61
  6. Step 6: Final answer
    x = 3,013,521.87

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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.