Home / 5,480,963.40-8,221,445.10-2,646,611.40

Finding the Fourth Proportional to 5,480,963.40, 8,221,445.10 and 2,646,611.40

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Solution

The fourth proportional to 5,480,963.40, 8,221,445.10 and 2,646,611.40 is: 3,969,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,963.40 : 8,221,445.10 = 2,646,611.40 : x
  2. Step 2: Convert to fraction form
    5,480,963.40/8,221,445.10 = 2,646,611.40/x
  3. Step 3: Cross multiply
    5,480,963.40x = 8,221,445.10 × 2,646,611.40
  4. Step 4: Simplify right side
    5,480,963.40x = 21,758,970,326,134.14
  5. Step 5: Solve for x
    x = 21,758,970,326,134.14/5,480,963.40
  6. Step 6: Final answer
    x = 3,969,917.10

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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.