Home / 3,280,676.40-4,921,014.60-1,845,785.70

Finding the Fourth Proportional to 3,280,676.40, 4,921,014.60 and 1,845,785.70

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Solution

The fourth proportional to 3,280,676.40, 4,921,014.60 and 1,845,785.70 is: 2,768,678.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,676.40 : 4,921,014.60 = 1,845,785.70 : x
  2. Step 2: Convert to fraction form
    3,280,676.40/4,921,014.60 = 1,845,785.70/x
  3. Step 3: Cross multiply
    3,280,676.40x = 4,921,014.60 × 1,845,785.70
  4. Step 4: Simplify right side
    3,280,676.40x = 9,083,138,378,171.22
  5. Step 5: Solve for x
    x = 9,083,138,378,171.22/3,280,676.40
  6. Step 6: Final answer
    x = 2,768,678.55

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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.