Home / 3,259,871.70-4,889,807.55-864,086.10

Finding the Fourth Proportional to 3,259,871.70, 4,889,807.55 and 864,086.10

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Solution

The fourth proportional to 3,259,871.70, 4,889,807.55 and 864,086.10 is: 1,296,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,871.70 : 4,889,807.55 = 864,086.10 : x
  2. Step 2: Convert to fraction form
    3,259,871.70/4,889,807.55 = 864,086.10/x
  3. Step 3: Cross multiply
    3,259,871.70x = 4,889,807.55 × 864,086.10
  4. Step 4: Simplify right side
    3,259,871.70x = 4,225,214,735,630.06
  5. Step 5: Solve for x
    x = 4,225,214,735,630.06/3,259,871.70
  6. Step 6: Final answer
    x = 1,296,129.15

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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.