Home / 2,103,111.80-3,154,667.70-1,156,116.60

Finding the Fourth Proportional to 2,103,111.80, 3,154,667.70 and 1,156,116.60

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Solution

The fourth proportional to 2,103,111.80, 3,154,667.70 and 1,156,116.60 is: 1,734,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,111.80 : 3,154,667.70 = 1,156,116.60 : x
  2. Step 2: Convert to fraction form
    2,103,111.80/3,154,667.70 = 1,156,116.60/x
  3. Step 3: Cross multiply
    2,103,111.80x = 3,154,667.70 × 1,156,116.60
  4. Step 4: Simplify right side
    2,103,111.80x = 3,647,163,695,453.82
  5. Step 5: Solve for x
    x = 3,647,163,695,453.82/2,103,111.80
  6. Step 6: Final answer
    x = 1,734,174.90

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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.