Home / 2,057,930.90-3,087,012.99-638,188.82

Finding the Fourth Proportional to 2,057,930.90, 3,087,012.99 and 638,188.82

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Solution

The fourth proportional to 2,057,930.90, 3,087,012.99 and 638,188.82 is: 957,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,930.90 : 3,087,012.99 = 638,188.82 : x
  2. Step 2: Convert to fraction form
    2,057,930.90/3,087,012.99 = 638,188.82/x
  3. Step 3: Cross multiply
    2,057,930.90x = 3,087,012.99 × 638,188.82
  4. Step 4: Simplify right side
    2,057,930.90x = 1,970,097,177,412.77
  5. Step 5: Solve for x
    x = 1,970,097,177,412.77/2,057,930.90
  6. Step 6: Final answer
    x = 957,319.40

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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.