Home / 2,057,927.40-3,087,007.74-638,185.32

Finding the Fourth Proportional to 2,057,927.40, 3,087,007.74 and 638,185.32

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Solution

The fourth proportional to 2,057,927.40, 3,087,007.74 and 638,185.32 is: 957,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,927.40 : 3,087,007.74 = 638,185.32 : x
  2. Step 2: Convert to fraction form
    2,057,927.40/3,087,007.74 = 638,185.32/x
  3. Step 3: Cross multiply
    2,057,927.40x = 3,087,007.74 × 638,185.32
  4. Step 4: Simplify right side
    2,057,927.40x = 1,970,083,022,394.38
  5. Step 5: Solve for x
    x = 1,970,083,022,394.38/2,057,927.40
  6. Step 6: Final answer
    x = 957,314.15

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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.