Home / 6,805,457.87-10,207,922.72-1,687,900.55

Finding the Fourth Proportional to 6,805,457.87, 10,207,922.72 and 1,687,900.55

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Solution

The fourth proportional to 6,805,457.87, 10,207,922.72 and 1,687,900.55 is: 2,531,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,457.87 : 10,207,922.72 = 1,687,900.55 : x
  2. Step 2: Convert to fraction form
    6,805,457.87/10,207,922.72 = 1,687,900.55/x
  3. Step 3: Cross multiply
    6,805,457.87x = 10,207,922.72 × 1,687,900.55
  4. Step 4: Simplify right side
    6,805,457.87x = 17,229,958,313,966.38
  5. Step 5: Solve for x
    x = 17,229,958,313,966.38/6,805,457.87
  6. Step 6: Final answer
    x = 2,531,785.32

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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.