Home / 3,980,639.78-5,962,207.56-3,289,696.01

Finding the Fourth Proportional to 3,980,639.78, 5,962,207.56 and 3,289,696.01

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Solution

The fourth proportional to 3,980,639.78, 5,962,207.56 and 3,289,696.01 is: 4,927,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,639.78 : 5,962,207.56 = 3,289,696.01 : x
  2. Step 2: Convert to fraction form
    3,980,639.78/5,962,207.56 = 3,289,696.01/x
  3. Step 3: Cross multiply
    3,980,639.78x = 5,962,207.56 × 3,289,696.01
  4. Step 4: Simplify right side
    3,980,639.78x = 19,613,850,420,923.83
  5. Step 5: Solve for x
    x = 19,613,850,420,923.83/3,980,639.78
  6. Step 6: Final answer
    x = 4,927,311.06

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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.