Home / 3,180,770.64-4,390,365.96-1,874,781.72

Finding the Fourth Proportional to 3,180,770.64, 4,390,365.96 and 1,874,781.72

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Solution

The fourth proportional to 3,180,770.64, 4,390,365.96 and 1,874,781.72 is: 2,587,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,770.64 : 4,390,365.96 = 1,874,781.72 : x
  2. Step 2: Convert to fraction form
    3,180,770.64/4,390,365.96 = 1,874,781.72/x
  3. Step 3: Cross multiply
    3,180,770.64x = 4,390,365.96 × 1,874,781.72
  4. Step 4: Simplify right side
    3,180,770.64x = 8,230,977,845,918.25
  5. Step 5: Solve for x
    x = 8,230,977,845,918.25/3,180,770.64
  6. Step 6: Final answer
    x = 2,587,730.70

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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.