Home / 3,613,053.66-4,985,742.87-1,981,199.58

Finding the Fourth Proportional to 3,613,053.66, 4,985,742.87 and 1,981,199.58

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Solution

The fourth proportional to 3,613,053.66, 4,985,742.87 and 1,981,199.58 is: 2,733,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,053.66 : 4,985,742.87 = 1,981,199.58 : x
  2. Step 2: Convert to fraction form
    3,613,053.66/4,985,742.87 = 1,981,199.58/x
  3. Step 3: Cross multiply
    3,613,053.66x = 4,985,742.87 × 1,981,199.58
  4. Step 4: Simplify right side
    3,613,053.66x = 9,877,751,680,032.00
  5. Step 5: Solve for x
    x = 9,877,751,680,032.00/3,613,053.66
  6. Step 6: Final answer
    x = 2,733,906.72

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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.