Home / 2,151,764.04-2,968,436.88-1,388,063.64

Finding the Fourth Proportional to 2,151,764.04, 2,968,436.88 and 1,388,063.64

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Solution

The fourth proportional to 2,151,764.04, 2,968,436.88 and 1,388,063.64 is: 1,914,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,764.04 : 2,968,436.88 = 1,388,063.64 : x
  2. Step 2: Convert to fraction form
    2,151,764.04/2,968,436.88 = 1,388,063.64/x
  3. Step 3: Cross multiply
    2,151,764.04x = 2,968,436.88 × 1,388,063.64
  4. Step 4: Simplify right side
    2,151,764.04x = 4,120,379,300,763.04
  5. Step 5: Solve for x
    x = 4,120,379,300,763.04/2,151,764.04
  6. Step 6: Final answer
    x = 1,914,884.36

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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.