Home / 4,815,490.77-6,645,375.65-2,639,987.21

Finding the Fourth Proportional to 4,815,490.77, 6,645,375.65 and 2,639,987.21

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Solution

The fourth proportional to 4,815,490.77, 6,645,375.65 and 2,639,987.21 is: 3,643,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,490.77 : 6,645,375.65 = 2,639,987.21 : x
  2. Step 2: Convert to fraction form
    4,815,490.77/6,645,375.65 = 2,639,987.21/x
  3. Step 3: Cross multiply
    4,815,490.77x = 6,645,375.65 × 2,639,987.21
  4. Step 4: Simplify right side
    4,815,490.77x = 17,543,706,708,445.50
  5. Step 5: Solve for x
    x = 17,543,706,708,445.50/4,815,490.77
  6. Step 6: Final answer
    x = 3,643,181.47

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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.