Home / 2,105,710.62-2,905,880.66-1,138,840.91

Finding the Fourth Proportional to 2,105,710.62, 2,905,880.66 and 1,138,840.91

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Solution

The fourth proportional to 2,105,710.62, 2,905,880.66 and 1,138,840.91 is: 1,571,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,710.62 : 2,905,880.66 = 1,138,840.91 : x
  2. Step 2: Convert to fraction form
    2,105,710.62/2,905,880.66 = 1,138,840.91/x
  3. Step 3: Cross multiply
    2,105,710.62x = 2,905,880.66 × 1,138,840.91
  4. Step 4: Simplify right side
    2,105,710.62x = 3,309,335,775,185.80
  5. Step 5: Solve for x
    x = 3,309,335,775,185.80/2,105,710.62
  6. Step 6: Final answer
    x = 1,571,600.46

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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.