Home / 1,851,046.41-2,776,917.07-840,239.39

Finding the Fourth Proportional to 1,851,046.41, 2,776,917.07 and 840,239.39

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Solution

The fourth proportional to 1,851,046.41, 2,776,917.07 and 840,239.39 is: 1,260,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,046.41 : 2,776,917.07 = 840,239.39 : x
  2. Step 2: Convert to fraction form
    1,851,046.41/2,776,917.07 = 840,239.39/x
  3. Step 3: Cross multiply
    1,851,046.41x = 2,776,917.07 × 840,239.39
  4. Step 4: Simplify right side
    1,851,046.41x = 2,333,275,112,969.98
  5. Step 5: Solve for x
    x = 2,333,275,112,969.98/1,851,046.41
  6. Step 6: Final answer
    x = 1,260,516.81

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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.