Home / 2,889,969.80-4,339,101.90-1,630,257.80

Finding the Fourth Proportional to 2,889,969.80, 4,339,101.90 and 1,630,257.80

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Solution

The fourth proportional to 2,889,969.80, 4,339,101.90 and 1,630,257.80 is: 2,447,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,969.80 : 4,339,101.90 = 1,630,257.80 : x
  2. Step 2: Convert to fraction form
    2,889,969.80/4,339,101.90 = 1,630,257.80/x
  3. Step 3: Cross multiply
    2,889,969.80x = 4,339,101.90 × 1,630,257.80
  4. Step 4: Simplify right side
    2,889,969.80x = 7,073,854,717,469.82
  5. Step 5: Solve for x
    x = 7,073,854,717,469.82/2,889,969.80
  6. Step 6: Final answer
    x = 2,447,726.17

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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.