Home / 2,689,655.17-3,711,725.50-1,528,103.43

Finding the Fourth Proportional to 2,689,655.17, 3,711,725.50 and 1,528,103.43

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Solution

The fourth proportional to 2,689,655.17, 3,711,725.50 and 1,528,103.43 is: 2,108,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,655.17 : 3,711,725.50 = 1,528,103.43 : x
  2. Step 2: Convert to fraction form
    2,689,655.17/3,711,725.50 = 1,528,103.43/x
  3. Step 3: Cross multiply
    2,689,655.17x = 3,711,725.50 × 1,528,103.43
  4. Step 4: Simplify right side
    2,689,655.17x = 5,671,900,467,768.47
  5. Step 5: Solve for x
    x = 5,671,900,467,768.47/2,689,655.17
  6. Step 6: Final answer
    x = 2,108,783.51

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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.