Home / 1,819,228.60-2,727,530.70-1,188,497.80

Finding the Fourth Proportional to 1,819,228.60, 2,727,530.70 and 1,188,497.80

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Solution

The fourth proportional to 1,819,228.60, 2,727,530.70 and 1,188,497.80 is: 1,781,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,228.60 : 2,727,530.70 = 1,188,497.80 : x
  2. Step 2: Convert to fraction form
    1,819,228.60/2,727,530.70 = 1,188,497.80/x
  3. Step 3: Cross multiply
    1,819,228.60x = 2,727,530.70 × 1,188,497.80
  4. Step 4: Simplify right side
    1,819,228.60x = 3,241,664,236,382.46
  5. Step 5: Solve for x
    x = 3,241,664,236,382.46/1,819,228.60
  6. Step 6: Final answer
    x = 1,781,889.44

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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.