Home / 4,915,428.77-6,783,955.71-2,981,377.19

Finding the Fourth Proportional to 4,915,428.77, 6,783,955.71 and 2,981,377.19

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Solution

The fourth proportional to 4,915,428.77, 6,783,955.71 and 2,981,377.19 is: 4,114,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915,428.77 : 6,783,955.71 = 2,981,377.19 : x
  2. Step 2: Convert to fraction form
    4,915,428.77/6,783,955.71 = 2,981,377.19/x
  3. Step 3: Cross multiply
    4,915,428.77x = 6,783,955.71 × 2,981,377.19
  4. Step 4: Simplify right side
    4,915,428.77x = 20,225,530,811,764.25
  5. Step 5: Solve for x
    x = 20,225,530,811,764.25/4,915,428.77
  6. Step 6: Final answer
    x = 4,114,703.27

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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.