Home / 2,817,286.88-3,887,833.20-1,528,124

Finding the Fourth Proportional to 2,817,286.88, 3,887,833.20 and 1,528,124

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Solution

The fourth proportional to 2,817,286.88, 3,887,833.20 and 1,528,124 is: 2,108,798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,286.88 : 3,887,833.20 = 1,528,124 : x
  2. Step 2: Convert to fraction form
    2,817,286.88/3,887,833.20 = 1,528,124/x
  3. Step 3: Cross multiply
    2,817,286.88x = 3,887,833.20 × 1,528,124
  4. Step 4: Simplify right side
    2,817,286.88x = 5,941,091,220,916.80
  5. Step 5: Solve for x
    x = 5,941,091,220,916.80/2,817,286.88
  6. Step 6: Final answer
    x = 2,108,798.81

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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.