Home / 1,942,662.72-2,680,907.58-1,071,597.36

Finding the Fourth Proportional to 1,942,662.72, 2,680,907.58 and 1,071,597.36

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Solution

The fourth proportional to 1,942,662.72, 2,680,907.58 and 1,071,597.36 is: 1,478,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,662.72 : 2,680,907.58 = 1,071,597.36 : x
  2. Step 2: Convert to fraction form
    1,942,662.72/2,680,907.58 = 1,071,597.36/x
  3. Step 3: Cross multiply
    1,942,662.72x = 2,680,907.58 × 1,071,597.36
  4. Step 4: Simplify right side
    1,942,662.72x = 2,872,853,485,131.99
  5. Step 5: Solve for x
    x = 2,872,853,485,131.99/1,942,662.72
  6. Step 6: Final answer
    x = 1,478,822.57

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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.