Home / 4,151,288.40-6,227,807.40-1,311,687.60

Finding the Fourth Proportional to 4,151,288.40, 6,227,807.40 and 1,311,687.60

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Solution

The fourth proportional to 4,151,288.40, 6,227,807.40 and 1,311,687.60 is: 1,967,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151,288.40 : 6,227,807.40 = 1,311,687.60 : x
  2. Step 2: Convert to fraction form
    4,151,288.40/6,227,807.40 = 1,311,687.60/x
  3. Step 3: Cross multiply
    4,151,288.40x = 6,227,807.40 × 1,311,687.60
  4. Step 4: Simplify right side
    4,151,288.40x = 8,168,937,741,768.24
  5. Step 5: Solve for x
    x = 8,168,937,741,768.24/4,151,288.40
  6. Step 6: Final answer
    x = 1,967,807.81

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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.