Home / 1,998,304.77-2,757,493.88-1,127,091.45

Finding the Fourth Proportional to 1,998,304.77, 2,757,493.88 and 1,127,091.45

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Solution

The fourth proportional to 1,998,304.77, 2,757,493.88 and 1,127,091.45 is: 1,555,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,304.77 : 2,757,493.88 = 1,127,091.45 : x
  2. Step 2: Convert to fraction form
    1,998,304.77/2,757,493.88 = 1,127,091.45/x
  3. Step 3: Cross multiply
    1,998,304.77x = 2,757,493.88 × 1,127,091.45
  4. Step 4: Simplify right side
    1,998,304.77x = 3,107,947,773,386.74
  5. Step 5: Solve for x
    x = 3,107,947,773,386.74/1,998,304.77
  6. Step 6: Final answer
    x = 1,555,292.17

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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.