Home / 3,961,890.28-5,939,424.78-1,685,330.20

Finding the Fourth Proportional to 3,961,890.28, 5,939,424.78 and 1,685,330.20

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Solution

The fourth proportional to 3,961,890.28, 5,939,424.78 and 1,685,330.20 is: 2,526,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961,890.28 : 5,939,424.78 = 1,685,330.20 : x
  2. Step 2: Convert to fraction form
    3,961,890.28/5,939,424.78 = 1,685,330.20/x
  3. Step 3: Cross multiply
    3,961,890.28x = 5,939,424.78 × 1,685,330.20
  4. Step 4: Simplify right side
    3,961,890.28x = 10,009,891,952,362.36
  5. Step 5: Solve for x
    x = 10,009,891,952,362.36/3,961,890.28
  6. Step 6: Final answer
    x = 2,526,544.46

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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.