Home / 1,945,015.50-2,918,551.14-1,380,047.88

Finding the Fourth Proportional to 1,945,015.50, 2,918,551.14 and 1,380,047.88

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Solution

The fourth proportional to 1,945,015.50, 2,918,551.14 and 1,380,047.88 is: 2,070,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,015.50 : 2,918,551.14 = 1,380,047.88 : x
  2. Step 2: Convert to fraction form
    1,945,015.50/2,918,551.14 = 1,380,047.88/x
  3. Step 3: Cross multiply
    1,945,015.50x = 2,918,551.14 × 1,380,047.88
  4. Step 4: Simplify right side
    1,945,015.50x = 4,027,740,313,428.58
  5. Step 5: Solve for x
    x = 4,027,740,313,428.58/1,945,015.50
  6. Step 6: Final answer
    x = 2,070,801.14

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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.