Home / 2,328,878.21-3,493,317.31-645,981.71

Finding the Fourth Proportional to 2,328,878.21, 3,493,317.31 and 645,981.71

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Solution

The fourth proportional to 2,328,878.21, 3,493,317.31 and 645,981.71 is: 968,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,878.21 : 3,493,317.31 = 645,981.71 : x
  2. Step 2: Convert to fraction form
    2,328,878.21/3,493,317.31 = 645,981.71/x
  3. Step 3: Cross multiply
    2,328,878.21x = 3,493,317.31 × 645,981.71
  4. Step 4: Simplify right side
    2,328,878.21x = 2,256,619,089,486.40
  5. Step 5: Solve for x
    x = 2,256,619,089,486.40/2,328,878.21
  6. Step 6: Final answer
    x = 968,972.56

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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.