Home / 1,634,107.80-2,446,323.30-1,215,240.60

Finding the Fourth Proportional to 1,634,107.80, 2,446,323.30 and 1,215,240.60

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Solution

The fourth proportional to 1,634,107.80, 2,446,323.30 and 1,215,240.60 is: 1,819,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,107.80 : 2,446,323.30 = 1,215,240.60 : x
  2. Step 2: Convert to fraction form
    1,634,107.80/2,446,323.30 = 1,215,240.60/x
  3. Step 3: Cross multiply
    1,634,107.80x = 2,446,323.30 × 1,215,240.60
  4. Step 4: Simplify right side
    1,634,107.80x = 2,972,871,394,885.98
  5. Step 5: Solve for x
    x = 2,972,871,394,885.98/1,634,107.80
  6. Step 6: Final answer
    x = 1,819,262.72

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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.