Home / 2,009,866.40-3,014,799.60-1,212,704.90

Finding the Fourth Proportional to 2,009,866.40, 3,014,799.60 and 1,212,704.90

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Solution

The fourth proportional to 2,009,866.40, 3,014,799.60 and 1,212,704.90 is: 1,819,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,866.40 : 3,014,799.60 = 1,212,704.90 : x
  2. Step 2: Convert to fraction form
    2,009,866.40/3,014,799.60 = 1,212,704.90/x
  3. Step 3: Cross multiply
    2,009,866.40x = 3,014,799.60 × 1,212,704.90
  4. Step 4: Simplify right side
    2,009,866.40x = 3,656,062,247,438.04
  5. Step 5: Solve for x
    x = 3,656,062,247,438.04/2,009,866.40
  6. Step 6: Final answer
    x = 1,819,057.35

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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.