Home / 1,815,112.80-2,716,764.30-1,413,579.60

Finding the Fourth Proportional to 1,815,112.80, 2,716,764.30 and 1,413,579.60

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Solution

The fourth proportional to 1,815,112.80, 2,716,764.30 and 1,413,579.60 is: 2,115,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,112.80 : 2,716,764.30 = 1,413,579.60 : x
  2. Step 2: Convert to fraction form
    1,815,112.80/2,716,764.30 = 1,413,579.60/x
  3. Step 3: Cross multiply
    1,815,112.80x = 2,716,764.30 × 1,413,579.60
  4. Step 4: Simplify right side
    1,815,112.80x = 3,840,362,592,488.28
  5. Step 5: Solve for x
    x = 3,840,362,592,488.28/1,815,112.80
  6. Step 6: Final answer
    x = 2,115,770.76

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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.