Home / 2,170,826.70-3,256,240.05-1,331,018.70

Finding the Fourth Proportional to 2,170,826.70, 3,256,240.05 and 1,331,018.70

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Solution

The fourth proportional to 2,170,826.70, 3,256,240.05 and 1,331,018.70 is: 1,996,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,826.70 : 3,256,240.05 = 1,331,018.70 : x
  2. Step 2: Convert to fraction form
    2,170,826.70/3,256,240.05 = 1,331,018.70/x
  3. Step 3: Cross multiply
    2,170,826.70x = 3,256,240.05 × 1,331,018.70
  4. Step 4: Simplify right side
    2,170,826.70x = 4,334,116,398,238.93
  5. Step 5: Solve for x
    x = 4,334,116,398,238.93/2,170,826.70
  6. Step 6: Final answer
    x = 1,996,528.05

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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.