Home / 6,718,923.40-9,271,714.80-3,817,911.64

Finding the Fourth Proportional to 6,718,923.40, 9,271,714.80 and 3,817,911.64

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Solution

The fourth proportional to 6,718,923.40, 9,271,714.80 and 3,817,911.64 is: 5,268,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718,923.40 : 9,271,714.80 = 3,817,911.64 : x
  2. Step 2: Convert to fraction form
    6,718,923.40/9,271,714.80 = 3,817,911.64/x
  3. Step 3: Cross multiply
    6,718,923.40x = 9,271,714.80 × 3,817,911.64
  4. Step 4: Simplify right side
    6,718,923.40x = 35,398,587,857,680.27
  5. Step 5: Solve for x
    x = 35,398,587,857,680.27/6,718,923.40
  6. Step 6: Final answer
    x = 5,268,491.06

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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.