Home / 6,313,782.30-8,712,807.44-3,991,924.60

Finding the Fourth Proportional to 6,313,782.30, 8,712,807.44 and 3,991,924.60

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Solution

The fourth proportional to 6,313,782.30, 8,712,807.44 and 3,991,924.60 is: 5,508,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313,782.30 : 8,712,807.44 = 3,991,924.60 : x
  2. Step 2: Convert to fraction form
    6,313,782.30/8,712,807.44 = 3,991,924.60/x
  3. Step 3: Cross multiply
    6,313,782.30x = 8,712,807.44 × 3,991,924.60
  4. Step 4: Simplify right side
    6,313,782.30x = 34,780,870,354,799.02
  5. Step 5: Solve for x
    x = 34,780,870,354,799.02/6,313,782.30
  6. Step 6: Final answer
    x = 5,508,721.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.