Home / 1,992,293.58-2,985,699.26-853,692.78

Finding the Fourth Proportional to 1,992,293.58, 2,985,699.26 and 853,692.78

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Solution

The fourth proportional to 1,992,293.58, 2,985,699.26 and 853,692.78 is: 1,279,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,293.58 : 2,985,699.26 = 853,692.78 : x
  2. Step 2: Convert to fraction form
    1,992,293.58/2,985,699.26 = 853,692.78/x
  3. Step 3: Cross multiply
    1,992,293.58x = 2,985,699.26 × 853,692.78
  4. Step 4: Simplify right side
    1,992,293.58x = 2,548,869,901,513.34
  5. Step 5: Solve for x
    x = 2,548,869,901,513.34/1,992,293.58
  6. Step 6: Final answer
    x = 1,279,364.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.