Home / 2,154,692.59-2,973,484.79-1,187,801.66

Finding the Fourth Proportional to 2,154,692.59, 2,973,484.79 and 1,187,801.66

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Solution

The fourth proportional to 2,154,692.59, 2,973,484.79 and 1,187,801.66 is: 1,639,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,692.59 : 2,973,484.79 = 1,187,801.66 : x
  2. Step 2: Convert to fraction form
    2,154,692.59/2,973,484.79 = 1,187,801.66/x
  3. Step 3: Cross multiply
    2,154,692.59x = 2,973,484.79 × 1,187,801.66
  4. Step 4: Simplify right side
    2,154,692.59x = 3,531,910,169,546.75
  5. Step 5: Solve for x
    x = 3,531,910,169,546.75/2,154,692.59
  6. Step 6: Final answer
    x = 1,639,171.26

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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.