Home / 2,661,260.19-3,991,889.86-639,504.10

Finding the Fourth Proportional to 2,661,260.19, 3,991,889.86 and 639,504.10

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Solution

The fourth proportional to 2,661,260.19, 3,991,889.86 and 639,504.10 is: 959,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,260.19 : 3,991,889.86 = 639,504.10 : x
  2. Step 2: Convert to fraction form
    2,661,260.19/3,991,889.86 = 639,504.10/x
  3. Step 3: Cross multiply
    2,661,260.19x = 3,991,889.86 × 639,504.10
  4. Step 4: Simplify right side
    2,661,260.19x = 2,552,829,909,061.46
  5. Step 5: Solve for x
    x = 2,552,829,909,061.46/2,661,260.19
  6. Step 6: Final answer
    x = 959,256.04

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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.