Home / 3,609,608.40-5,414,412.60-1,212,656.40

Finding the Fourth Proportional to 3,609,608.40, 5,414,412.60 and 1,212,656.40

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Solution

The fourth proportional to 3,609,608.40, 5,414,412.60 and 1,212,656.40 is: 1,818,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,608.40 : 5,414,412.60 = 1,212,656.40 : x
  2. Step 2: Convert to fraction form
    3,609,608.40/5,414,412.60 = 1,212,656.40/x
  3. Step 3: Cross multiply
    3,609,608.40x = 5,414,412.60 × 1,212,656.40
  4. Step 4: Simplify right side
    3,609,608.40x = 6,565,822,091,630.64
  5. Step 5: Solve for x
    x = 6,565,822,091,630.64/3,609,608.40
  6. Step 6: Final answer
    x = 1,818,984.60

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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.