Home / 2,087,571.35-2,880,799.65-1,228,186.92

Finding the Fourth Proportional to 2,087,571.35, 2,880,799.65 and 1,228,186.92

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Solution

The fourth proportional to 2,087,571.35, 2,880,799.65 and 1,228,186.92 is: 1,694,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,571.35 : 2,880,799.65 = 1,228,186.92 : x
  2. Step 2: Convert to fraction form
    2,087,571.35/2,880,799.65 = 1,228,186.92/x
  3. Step 3: Cross multiply
    2,087,571.35x = 2,880,799.65 × 1,228,186.92
  4. Step 4: Simplify right side
    2,087,571.35x = 3,538,160,449,270.58
  5. Step 5: Solve for x
    x = 3,538,160,449,270.58/2,087,571.35
  6. Step 6: Final answer
    x = 1,694,869.24

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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.