Home / 1,998,736.21-2,998,314.34-651,003.77

Finding the Fourth Proportional to 1,998,736.21, 2,998,314.34 and 651,003.77

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Solution

The fourth proportional to 1,998,736.21, 2,998,314.34 and 651,003.77 is: 976,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,736.21 : 2,998,314.34 = 651,003.77 : x
  2. Step 2: Convert to fraction form
    1,998,736.21/2,998,314.34 = 651,003.77/x
  3. Step 3: Cross multiply
    1,998,736.21x = 2,998,314.34 × 651,003.77
  4. Step 4: Simplify right side
    1,998,736.21x = 1,951,913,928,903.26
  5. Step 5: Solve for x
    x = 1,951,913,928,903.26/1,998,736.21
  6. Step 6: Final answer
    x = 976,574.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.