Home / 6,318,438.21-9,475,849.40-2,058,978.69

Finding the Fourth Proportional to 6,318,438.21, 9,475,849.40 and 2,058,978.69

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Solution

The fourth proportional to 6,318,438.21, 9,475,849.40 and 2,058,978.69 is: 3,087,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,438.21 : 9,475,849.40 = 2,058,978.69 : x
  2. Step 2: Convert to fraction form
    6,318,438.21/9,475,849.40 = 2,058,978.69/x
  3. Step 3: Cross multiply
    6,318,438.21x = 9,475,849.40 × 2,058,978.69
  4. Step 4: Simplify right side
    6,318,438.21x = 19,510,571,973,954.39
  5. Step 5: Solve for x
    x = 19,510,571,973,954.39/6,318,438.21
  6. Step 6: Final answer
    x = 3,087,878.89

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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.