Home / 2,187,516.06-3,018,321.36-1,257,043.86

Finding the Fourth Proportional to 2,187,516.06, 3,018,321.36 and 1,257,043.86

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Solution

The fourth proportional to 2,187,516.06, 3,018,321.36 and 1,257,043.86 is: 1,734,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,516.06 : 3,018,321.36 = 1,257,043.86 : x
  2. Step 2: Convert to fraction form
    2,187,516.06/3,018,321.36 = 1,257,043.86/x
  3. Step 3: Cross multiply
    2,187,516.06x = 3,018,321.36 × 1,257,043.86
  4. Step 4: Simplify right side
    2,187,516.06x = 3,794,162,333,094.85
  5. Step 5: Solve for x
    x = 3,794,162,333,094.85/2,187,516.06
  6. Step 6: Final answer
    x = 1,734,461.48

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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.