Home / 2,103,513.06-3,156,689.28-823,961.76

Finding the Fourth Proportional to 2,103,513.06, 3,156,689.28 and 823,961.76

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Solution

The fourth proportional to 2,103,513.06, 3,156,689.28 and 823,961.76 is: 1,236,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,513.06 : 3,156,689.28 = 823,961.76 : x
  2. Step 2: Convert to fraction form
    2,103,513.06/3,156,689.28 = 823,961.76/x
  3. Step 3: Cross multiply
    2,103,513.06x = 3,156,689.28 × 823,961.76
  4. Step 4: Simplify right side
    2,103,513.06x = 2,600,991,254,921.93
  5. Step 5: Solve for x
    x = 2,600,991,254,921.93/2,103,513.06
  6. Step 6: Final answer
    x = 1,236,498.74

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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.