Home / 2,009,715.20-3,015,447.60-1,012,443.20

Finding the Fourth Proportional to 2,009,715.20, 3,015,447.60 and 1,012,443.20

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Solution

The fourth proportional to 2,009,715.20, 3,015,447.60 and 1,012,443.20 is: 1,519,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,715.20 : 3,015,447.60 = 1,012,443.20 : x
  2. Step 2: Convert to fraction form
    2,009,715.20/3,015,447.60 = 1,012,443.20/x
  3. Step 3: Cross multiply
    2,009,715.20x = 3,015,447.60 × 1,012,443.20
  4. Step 4: Simplify right side
    2,009,715.20x = 3,052,969,417,576.32
  5. Step 5: Solve for x
    x = 3,052,969,417,576.32/2,009,715.20
  6. Step 6: Final answer
    x = 1,519,105.50

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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.