Home / 5,111,996.40-7,665,078.60-1,917,226.80

Finding the Fourth Proportional to 5,111,996.40, 7,665,078.60 and 1,917,226.80

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Solution

The fourth proportional to 5,111,996.40, 7,665,078.60 and 1,917,226.80 is: 2,874,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,996.40 : 7,665,078.60 = 1,917,226.80 : x
  2. Step 2: Convert to fraction form
    5,111,996.40/7,665,078.60 = 1,917,226.80/x
  3. Step 3: Cross multiply
    5,111,996.40x = 7,665,078.60 × 1,917,226.80
  4. Step 4: Simplify right side
    5,111,996.40x = 14,695,694,116,026.48
  5. Step 5: Solve for x
    x = 14,695,694,116,026.48/5,111,996.40
  6. Step 6: Final answer
    x = 2,874,746.57

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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.