Home / 1,261,662.62-1,882,838.87-1,127,030.90

Finding the Fourth Proportional to 1,261,662.62, 1,882,838.87 and 1,127,030.90

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Solution

The fourth proportional to 1,261,662.62, 1,882,838.87 and 1,127,030.90 is: 1,681,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,662.62 : 1,882,838.87 = 1,127,030.90 : x
  2. Step 2: Convert to fraction form
    1,261,662.62/1,882,838.87 = 1,127,030.90/x
  3. Step 3: Cross multiply
    1,261,662.62x = 1,882,838.87 × 1,127,030.90
  4. Step 4: Simplify right side
    1,261,662.62x = 2,122,017,575,388.10
  5. Step 5: Solve for x
    x = 2,122,017,575,388.10/1,261,662.62
  6. Step 6: Final answer
    x = 1,681,921.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.