Home / 3,980,634.30-5,962,199.27-3,289,690.40

Finding the Fourth Proportional to 3,980,634.30, 5,962,199.27 and 3,289,690.40

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Solution

The fourth proportional to 3,980,634.30, 5,962,199.27 and 3,289,690.40 is: 4,927,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,634.30 : 5,962,199.27 = 3,289,690.40 : x
  2. Step 2: Convert to fraction form
    3,980,634.30/5,962,199.27 = 3,289,690.40/x
  3. Step 3: Cross multiply
    3,980,634.30x = 5,962,199.27 × 3,289,690.40
  4. Step 4: Simplify right side
    3,980,634.30x = 19,613,789,655,146.56
  5. Step 5: Solve for x
    x = 19,613,789,655,146.56/3,980,634.30
  6. Step 6: Final answer
    x = 4,927,302.58

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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.