Home / 6,909,719.21-10,364,205.06-2,117,422.38

Finding the Fourth Proportional to 6,909,719.21, 10,364,205.06 and 2,117,422.38

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Solution

The fourth proportional to 6,909,719.21, 10,364,205.06 and 2,117,422.38 is: 3,176,019.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,719.21 : 10,364,205.06 = 2,117,422.38 : x
  2. Step 2: Convert to fraction form
    6,909,719.21/10,364,205.06 = 2,117,422.38/x
  3. Step 3: Cross multiply
    6,909,719.21x = 10,364,205.06 × 2,117,422.38
  4. Step 4: Simplify right side
    6,909,719.21x = 21,945,399,744,953.24
  5. Step 5: Solve for x
    x = 21,945,399,744,953.24/6,909,719.21
  6. Step 6: Final answer
    x = 3,176,019.04

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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.