Home / 5,323,276.80-7,986,081.60-2,628,892.80

Finding the Fourth Proportional to 5,323,276.80, 7,986,081.60 and 2,628,892.80

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Solution

The fourth proportional to 5,323,276.80, 7,986,081.60 and 2,628,892.80 is: 3,943,915.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,323,276.80 : 7,986,081.60 = 2,628,892.80 : x
  2. Step 2: Convert to fraction form
    5,323,276.80/7,986,081.60 = 2,628,892.80/x
  3. Step 3: Cross multiply
    5,323,276.80x = 7,986,081.60 × 2,628,892.80
  4. Step 4: Simplify right side
    5,323,276.80x = 20,994,552,418,452.48
  5. Step 5: Solve for x
    x = 20,994,552,418,452.48/5,323,276.80
  6. Step 6: Final answer
    x = 3,943,915.23

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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.