Home / 2,482,816.80-3,726,068.40-987,981.60

Finding the Fourth Proportional to 2,482,816.80, 3,726,068.40 and 987,981.60

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Solution

The fourth proportional to 2,482,816.80, 3,726,068.40 and 987,981.60 is: 1,482,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482,816.80 : 3,726,068.40 = 987,981.60 : x
  2. Step 2: Convert to fraction form
    2,482,816.80/3,726,068.40 = 987,981.60/x
  3. Step 3: Cross multiply
    2,482,816.80x = 3,726,068.40 × 987,981.60
  4. Step 4: Simplify right side
    2,482,816.80x = 3,681,287,019,541.44
  5. Step 5: Solve for x
    x = 3,681,287,019,541.44/2,482,816.80
  6. Step 6: Final answer
    x = 1,482,705.86

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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.