Home / 2,104,731.48-3,157,209.81-665,305.59

Finding the Fourth Proportional to 2,104,731.48, 3,157,209.81 and 665,305.59

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Solution

The fourth proportional to 2,104,731.48, 3,157,209.81 and 665,305.59 is: 997,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,731.48 : 3,157,209.81 = 665,305.59 : x
  2. Step 2: Convert to fraction form
    2,104,731.48/3,157,209.81 = 665,305.59/x
  3. Step 3: Cross multiply
    2,104,731.48x = 3,157,209.81 × 665,305.59
  4. Step 4: Simplify right side
    2,104,731.48x = 2,100,509,335,395.84
  5. Step 5: Solve for x
    x = 2,100,509,335,395.84/2,104,731.48
  6. Step 6: Final answer
    x = 997,993.97

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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.