Home / 2,185,536.60-3,278,304.90-1,390,343.40

Finding the Fourth Proportional to 2,185,536.60, 3,278,304.90 and 1,390,343.40

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Solution

The fourth proportional to 2,185,536.60, 3,278,304.90 and 1,390,343.40 is: 2,085,515.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,536.60 : 3,278,304.90 = 1,390,343.40 : x
  2. Step 2: Convert to fraction form
    2,185,536.60/3,278,304.90 = 1,390,343.40/x
  3. Step 3: Cross multiply
    2,185,536.60x = 3,278,304.90 × 1,390,343.40
  4. Step 4: Simplify right side
    2,185,536.60x = 4,557,969,580,902.66
  5. Step 5: Solve for x
    x = 4,557,969,580,902.66/2,185,536.60
  6. Step 6: Final answer
    x = 2,085,515.10

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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.