Home / 2,257,918.80-3,115,917-1,239,340.88

Finding the Fourth Proportional to 2,257,918.80, 3,115,917 and 1,239,340.88

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Solution

The fourth proportional to 2,257,918.80, 3,115,917 and 1,239,340.88 is: 1,710,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,918.80 : 3,115,917 = 1,239,340.88 : x
  2. Step 2: Convert to fraction form
    2,257,918.80/3,115,917 = 1,239,340.88/x
  3. Step 3: Cross multiply
    2,257,918.80x = 3,115,917 × 1,239,340.88
  4. Step 4: Simplify right side
    2,257,918.80x = 3,861,683,316,786.96
  5. Step 5: Solve for x
    x = 3,861,683,316,786.96/2,257,918.80
  6. Step 6: Final answer
    x = 1,710,284.41

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1.5x scale

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.