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Finding the Fourth Proportional to 3,159,692.68, 4,736,693.95 and 1,136,514.47

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Solution

The fourth proportional to 3,159,692.68, 4,736,693.95 and 1,136,514.47 is: 1,703,748.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,692.68 : 4,736,693.95 = 1,136,514.47 : x
  2. Step 2: Convert to fraction form
    3,159,692.68/4,736,693.95 = 1,136,514.47/x
  3. Step 3: Cross multiply
    3,159,692.68x = 4,736,693.95 × 1,136,514.47
  4. Step 4: Simplify right side
    3,159,692.68x = 5,383,321,208,453.89
  5. Step 5: Solve for x
    x = 5,383,321,208,453.89/3,159,692.68
  6. Step 6: Final answer
    x = 1,703,748.36

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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.