Home / 1,468,875.20-2,200,202.40-1,311,281.60

Finding the Fourth Proportional to 1,468,875.20, 2,200,202.40 and 1,311,281.60

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Solution

The fourth proportional to 1,468,875.20, 2,200,202.40 and 1,311,281.60 is: 1,964,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468,875.20 : 2,200,202.40 = 1,311,281.60 : x
  2. Step 2: Convert to fraction form
    1,468,875.20/2,200,202.40 = 1,311,281.60/x
  3. Step 3: Cross multiply
    1,468,875.20x = 2,200,202.40 × 1,311,281.60
  4. Step 4: Simplify right side
    1,468,875.20x = 2,885,084,923,395.84
  5. Step 5: Solve for x
    x = 2,885,084,923,395.84/1,468,875.20
  6. Step 6: Final answer
    x = 1,964,145.71

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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.