Home / 6,457,404.38-8,910,441.65-3,703,949.51

Finding the Fourth Proportional to 6,457,404.38, 8,910,441.65 and 3,703,949.51

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Solution

The fourth proportional to 6,457,404.38, 8,910,441.65 and 3,703,949.51 is: 5,111,004.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,404.38 : 8,910,441.65 = 3,703,949.51 : x
  2. Step 2: Convert to fraction form
    6,457,404.38/8,910,441.65 = 3,703,949.51/x
  3. Step 3: Cross multiply
    6,457,404.38x = 8,910,441.65 × 3,703,949.51
  4. Step 4: Simplify right side
    6,457,404.38x = 33,003,825,948,108.75
  5. Step 5: Solve for x
    x = 33,003,825,948,108.75/6,457,404.38
  6. Step 6: Final answer
    x = 5,111,004.98

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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.