Home / 3,115,761.60-4,673,642.40-1,772,068.80

Finding the Fourth Proportional to 3,115,761.60, 4,673,642.40 and 1,772,068.80

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Solution

The fourth proportional to 3,115,761.60, 4,673,642.40 and 1,772,068.80 is: 2,658,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,761.60 : 4,673,642.40 = 1,772,068.80 : x
  2. Step 2: Convert to fraction form
    3,115,761.60/4,673,642.40 = 1,772,068.80/x
  3. Step 3: Cross multiply
    3,115,761.60x = 4,673,642.40 × 1,772,068.80
  4. Step 4: Simplify right side
    3,115,761.60x = 8,282,015,879,397.12
  5. Step 5: Solve for x
    x = 8,282,015,879,397.12/3,115,761.60
  6. Step 6: Final answer
    x = 2,658,103.20

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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.