Home / 6,718,927.40-9,271,720.26-3,817,915.64

Finding the Fourth Proportional to 6,718,927.40, 9,271,720.26 and 3,817,915.64

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Solution

The fourth proportional to 6,718,927.40, 9,271,720.26 and 3,817,915.64 is: 5,268,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,927.40 : 9,271,720.26 = 3,817,915.64 : x
  2. Step 2: Convert to fraction form
    6,718,927.40/9,271,720.26 = 3,817,915.64/x
  3. Step 3: Cross multiply
    6,718,927.40x = 9,271,720.26 × 3,817,915.64
  4. Step 4: Simplify right side
    6,718,927.40x = 35,398,645,790,358.87
  5. Step 5: Solve for x
    x = 35,398,645,790,358.87/6,718,927.40
  6. Step 6: Final answer
    x = 5,268,496.54

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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.