Home / 2,211,786.36-3,315,703.86-863,635.32

Finding the Fourth Proportional to 2,211,786.36, 3,315,703.86 and 863,635.32

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Solution

The fourth proportional to 2,211,786.36, 3,315,703.86 and 863,635.32 is: 1,294,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,786.36 : 3,315,703.86 = 863,635.32 : x
  2. Step 2: Convert to fraction form
    2,211,786.36/3,315,703.86 = 863,635.32/x
  3. Step 3: Cross multiply
    2,211,786.36x = 3,315,703.86 × 863,635.32
  4. Step 4: Simplify right side
    2,211,786.36x = 2,863,558,964,156.34
  5. Step 5: Solve for x
    x = 2,863,558,964,156.34/2,211,786.36
  6. Step 6: Final answer
    x = 1,294,681.54

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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.