Home / 6,391,315.13-8,820,205.88-3,490,842.83

Finding the Fourth Proportional to 6,391,315.13, 8,820,205.88 and 3,490,842.83

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Solution

The fourth proportional to 6,391,315.13, 8,820,205.88 and 3,490,842.83 is: 4,817,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,315.13 : 8,820,205.88 = 3,490,842.83 : x
  2. Step 2: Convert to fraction form
    6,391,315.13/8,820,205.88 = 3,490,842.83/x
  3. Step 3: Cross multiply
    6,391,315.13x = 8,820,205.88 × 3,490,842.83
  4. Step 4: Simplify right side
    6,391,315.13x = 30,789,952,455,321.84
  5. Step 5: Solve for x
    x = 30,789,952,455,321.84/6,391,315.13
  6. Step 6: Final answer
    x = 4,817,467.43

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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.