Home / 3,609,776.72-4,981,497.72-1,977,924.80

Finding the Fourth Proportional to 3,609,776.72, 4,981,497.72 and 1,977,924.80

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Solution

The fourth proportional to 3,609,776.72, 4,981,497.72 and 1,977,924.80 is: 2,729,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,776.72 : 4,981,497.72 = 1,977,924.80 : x
  2. Step 2: Convert to fraction form
    3,609,776.72/4,981,497.72 = 1,977,924.80/x
  3. Step 3: Cross multiply
    3,609,776.72x = 4,981,497.72 × 1,977,924.80
  4. Step 4: Simplify right side
    3,609,776.72x = 9,853,027,881,531.46
  5. Step 5: Solve for x
    x = 9,853,027,881,531.46/3,609,776.72
  6. Step 6: Final answer
    x = 2,729,539.43

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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.