Home / 1,815,266.80-2,722,900.20-1,728,175.60

Finding the Fourth Proportional to 1,815,266.80, 2,722,900.20 and 1,728,175.60

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Solution

The fourth proportional to 1,815,266.80, 2,722,900.20 and 1,728,175.60 is: 2,592,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,266.80 : 2,722,900.20 = 1,728,175.60 : x
  2. Step 2: Convert to fraction form
    1,815,266.80/2,722,900.20 = 1,728,175.60/x
  3. Step 3: Cross multiply
    1,815,266.80x = 2,722,900.20 × 1,728,175.60
  4. Step 4: Simplify right side
    1,815,266.80x = 4,705,649,686,875.12
  5. Step 5: Solve for x
    x = 4,705,649,686,875.12/1,815,266.80
  6. Step 6: Final answer
    x = 2,592,263.40

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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.