Home / 3,386,641.60-5,079,917.81-827,878.94

Finding the Fourth Proportional to 3,386,641.60, 5,079,917.81 and 827,878.94

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Solution

The fourth proportional to 3,386,641.60, 5,079,917.81 and 827,878.94 is: 1,241,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,641.60 : 5,079,917.81 = 827,878.94 : x
  2. Step 2: Convert to fraction form
    3,386,641.60/5,079,917.81 = 827,878.94/x
  3. Step 3: Cross multiply
    3,386,641.60x = 5,079,917.81 × 827,878.94
  4. Step 4: Simplify right side
    3,386,641.60x = 4,205,556,972,364.95
  5. Step 5: Solve for x
    x = 4,205,556,972,364.95/3,386,641.60
  6. Step 6: Final answer
    x = 1,241,807.51

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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.