Home / 6,288,385.48-8,671,807.24-3,992,560.36

Finding the Fourth Proportional to 6,288,385.48, 8,671,807.24 and 3,992,560.36

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Solution

The fourth proportional to 6,288,385.48, 8,671,807.24 and 3,992,560.36 is: 5,505,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,385.48 : 8,671,807.24 = 3,992,560.36 : x
  2. Step 2: Convert to fraction form
    6,288,385.48/8,671,807.24 = 3,992,560.36/x
  3. Step 3: Cross multiply
    6,288,385.48x = 8,671,807.24 × 3,992,560.36
  4. Step 4: Simplify right side
    6,288,385.48x = 34,622,713,804,324.09
  5. Step 5: Solve for x
    x = 34,622,713,804,324.09/6,288,385.48
  6. Step 6: Final answer
    x = 5,505,819.25

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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.