Home / 6,847,140-9,448,937.70-3,791,288.64

Finding the Fourth Proportional to 6,847,140, 9,448,937.70 and 3,791,288.64

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Solution

The fourth proportional to 6,847,140, 9,448,937.70 and 3,791,288.64 is: 5,231,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847,140 : 9,448,937.70 = 3,791,288.64 : x
  2. Step 2: Convert to fraction form
    6,847,140/9,448,937.70 = 3,791,288.64/x
  3. Step 3: Cross multiply
    6,847,140x = 9,448,937.70 × 3,791,288.64
  4. Step 4: Simplify right side
    6,847,140x = 35,823,650,162,077.73
  5. Step 5: Solve for x
    x = 35,823,650,162,077.73/6,847,140
  6. Step 6: Final answer
    x = 5,231,914.37

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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.