Home / 6,449,387.88-8,899,888.38-3,509,217.09

Finding the Fourth Proportional to 6,449,387.88, 8,899,888.38 and 3,509,217.09

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Solution

The fourth proportional to 6,449,387.88, 8,899,888.38 and 3,509,217.09 is: 4,842,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449,387.88 : 8,899,888.38 = 3,509,217.09 : x
  2. Step 2: Convert to fraction form
    6,449,387.88/8,899,888.38 = 3,509,217.09/x
  3. Step 3: Cross multiply
    6,449,387.88x = 8,899,888.38 × 3,509,217.09
  4. Step 4: Simplify right side
    6,449,387.88x = 31,231,640,402,188.41
  5. Step 5: Solve for x
    x = 31,231,640,402,188.41/6,449,387.88
  6. Step 6: Final answer
    x = 4,842,574.36

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1.5x scale

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.