Home / 2,821,240.37-3,894,503.45-1,904,710.92

Finding the Fourth Proportional to 2,821,240.37, 3,894,503.45 and 1,904,710.92

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Solution

The fourth proportional to 2,821,240.37, 3,894,503.45 and 1,904,710.92 is: 2,629,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,240.37 : 3,894,503.45 = 1,904,710.92 : x
  2. Step 2: Convert to fraction form
    2,821,240.37/3,894,503.45 = 1,904,710.92/x
  3. Step 3: Cross multiply
    2,821,240.37x = 3,894,503.45 × 1,904,710.92
  4. Step 4: Simplify right side
    2,821,240.37x = 7,417,903,239,669.12
  5. Step 5: Solve for x
    x = 7,417,903,239,669.12/2,821,240.37
  6. Step 6: Final answer
    x = 2,629,305.65

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Double scale
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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.