Home / 4,790,936.40-6,618,703.50-3,141,003.66

Finding the Fourth Proportional to 4,790,936.40, 6,618,703.50 and 3,141,003.66

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Solution

The fourth proportional to 4,790,936.40, 6,618,703.50 and 3,141,003.66 is: 4,339,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790,936.40 : 6,618,703.50 = 3,141,003.66 : x
  2. Step 2: Convert to fraction form
    4,790,936.40/6,618,703.50 = 3,141,003.66/x
  3. Step 3: Cross multiply
    4,790,936.40x = 6,618,703.50 × 3,141,003.66
  4. Step 4: Simplify right side
    4,790,936.40x = 20,789,371,917,954.81
  5. Step 5: Solve for x
    x = 20,789,371,917,954.81/4,790,936.40
  6. Step 6: Final answer
    x = 4,339,312.86

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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.