Home / 1,716,605.46-2,368,805.31-1,071,987.21

Finding the Fourth Proportional to 1,716,605.46, 2,368,805.31 and 1,071,987.21

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Solution

The fourth proportional to 1,716,605.46, 2,368,805.31 and 1,071,987.21 is: 1,479,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,605.46 : 2,368,805.31 = 1,071,987.21 : x
  2. Step 2: Convert to fraction form
    1,716,605.46/2,368,805.31 = 1,071,987.21/x
  3. Step 3: Cross multiply
    1,716,605.46x = 2,368,805.31 × 1,071,987.21
  4. Step 4: Simplify right side
    1,716,605.46x = 2,539,328,995,300.09
  5. Step 5: Solve for x
    x = 2,539,328,995,300.09/1,716,605.46
  6. Step 6: Final answer
    x = 1,479,273.52

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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.