Home / 6,985,226.49-9,639,597.43-3,929,440.74

Finding the Fourth Proportional to 6,985,226.49, 9,639,597.43 and 3,929,440.74

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Solution

The fourth proportional to 6,985,226.49, 9,639,597.43 and 3,929,440.74 is: 5,422,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,226.49 : 9,639,597.43 = 3,929,440.74 : x
  2. Step 2: Convert to fraction form
    6,985,226.49/9,639,597.43 = 3,929,440.74/x
  3. Step 3: Cross multiply
    6,985,226.49x = 9,639,597.43 × 3,929,440.74
  4. Step 4: Simplify right side
    6,985,226.49x = 37,878,226,858,641.30
  5. Step 5: Solve for x
    x = 37,878,226,858,641.30/6,985,226.49
  6. Step 6: Final answer
    x = 5,422,619.71

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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.