Home / 2,147,168.72-2,963,129.66-1,180,339.76

Finding the Fourth Proportional to 2,147,168.72, 2,963,129.66 and 1,180,339.76

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Solution

The fourth proportional to 2,147,168.72, 2,963,129.66 and 1,180,339.76 is: 1,628,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,168.72 : 2,963,129.66 = 1,180,339.76 : x
  2. Step 2: Convert to fraction form
    2,147,168.72/2,963,129.66 = 1,180,339.76/x
  3. Step 3: Cross multiply
    2,147,168.72x = 2,963,129.66 × 1,180,339.76
  4. Step 4: Simplify right side
    2,147,168.72x = 3,497,499,751,733.28
  5. Step 5: Solve for x
    x = 3,497,499,751,733.28/2,147,168.72
  6. Step 6: Final answer
    x = 1,628,889.11

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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.