Home / 2,104,190.72-3,157,080.96-1,263,328.64

Finding the Fourth Proportional to 2,104,190.72, 3,157,080.96 and 1,263,328.64

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Solution

The fourth proportional to 2,104,190.72, 3,157,080.96 and 1,263,328.64 is: 1,895,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,190.72 : 3,157,080.96 = 1,263,328.64 : x
  2. Step 2: Convert to fraction form
    2,104,190.72/3,157,080.96 = 1,263,328.64/x
  3. Step 3: Cross multiply
    2,104,190.72x = 3,157,080.96 × 1,263,328.64
  4. Step 4: Simplify right side
    2,104,190.72x = 3,988,430,795,566.69
  5. Step 5: Solve for x
    x = 3,988,430,795,566.69/2,104,190.72
  6. Step 6: Final answer
    x = 1,895,470.20

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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.