Home / 2,431,915.85-3,355,985.32-1,329,297.68

Finding the Fourth Proportional to 2,431,915.85, 3,355,985.32 and 1,329,297.68

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Solution

The fourth proportional to 2,431,915.85, 3,355,985.32 and 1,329,297.68 is: 1,834,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,915.85 : 3,355,985.32 = 1,329,297.68 : x
  2. Step 2: Convert to fraction form
    2,431,915.85/3,355,985.32 = 1,329,297.68/x
  3. Step 3: Cross multiply
    2,431,915.85x = 3,355,985.32 × 1,329,297.68
  4. Step 4: Simplify right side
    2,431,915.85x = 4,461,103,505,056.78
  5. Step 5: Solve for x
    x = 4,461,103,505,056.78/2,431,915.85
  6. Step 6: Final answer
    x = 1,834,398.79

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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.