Home / 2,681,522.80-4,022,381.40-788,455.60

Finding the Fourth Proportional to 2,681,522.80, 4,022,381.40 and 788,455.60

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Solution

The fourth proportional to 2,681,522.80, 4,022,381.40 and 788,455.60 is: 1,182,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,522.80 : 4,022,381.40 = 788,455.60 : x
  2. Step 2: Convert to fraction form
    2,681,522.80/4,022,381.40 = 788,455.60/x
  3. Step 3: Cross multiply
    2,681,522.80x = 4,022,381.40 × 788,455.60
  4. Step 4: Simplify right side
    2,681,522.80x = 3,171,469,140,165.84
  5. Step 5: Solve for x
    x = 3,171,469,140,165.84/2,681,522.80
  6. Step 6: Final answer
    x = 1,182,711.98

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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.