Home / 3,778,856.25-5,668,288.47-938,968.41

Finding the Fourth Proportional to 3,778,856.25, 5,668,288.47 and 938,968.41

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Solution

The fourth proportional to 3,778,856.25, 5,668,288.47 and 938,968.41 is: 1,408,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,856.25 : 5,668,288.47 = 938,968.41 : x
  2. Step 2: Convert to fraction form
    3,778,856.25/5,668,288.47 = 938,968.41/x
  3. Step 3: Cross multiply
    3,778,856.25x = 5,668,288.47 × 938,968.41
  4. Step 4: Simplify right side
    3,778,856.25x = 5,322,343,812,097.23
  5. Step 5: Solve for x
    x = 5,322,343,812,097.23/3,778,856.25
  6. Step 6: Final answer
    x = 1,408,453.63

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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.