Home / 2,865,778.37-3,953,131.85-1,790,824.13

Finding the Fourth Proportional to 2,865,778.37, 3,953,131.85 and 1,790,824.13

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Solution

The fourth proportional to 2,865,778.37, 3,953,131.85 and 1,790,824.13 is: 2,470,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,778.37 : 3,953,131.85 = 1,790,824.13 : x
  2. Step 2: Convert to fraction form
    2,865,778.37/3,953,131.85 = 1,790,824.13/x
  3. Step 3: Cross multiply
    2,865,778.37x = 3,953,131.85 × 1,790,824.13
  4. Step 4: Simplify right side
    2,865,778.37x = 7,079,363,890,762.94
  5. Step 5: Solve for x
    x = 7,079,363,890,762.94/2,865,778.37
  6. Step 6: Final answer
    x = 2,470,311.03

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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.