Home / 1,816,821.76-2,722,662.88-1,007,564.32

Finding the Fourth Proportional to 1,816,821.76, 2,722,662.88 and 1,007,564.32

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Solution

The fourth proportional to 1,816,821.76, 2,722,662.88 and 1,007,564.32 is: 1,509,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,821.76 : 2,722,662.88 = 1,007,564.32 : x
  2. Step 2: Convert to fraction form
    1,816,821.76/2,722,662.88 = 1,007,564.32/x
  3. Step 3: Cross multiply
    1,816,821.76x = 2,722,662.88 × 1,007,564.32
  4. Step 4: Simplify right side
    1,816,821.76x = 2,743,257,973,276.44
  5. Step 5: Solve for x
    x = 2,743,257,973,276.44/1,816,821.76
  6. Step 6: Final answer
    x = 1,509,921.35

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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.