Home / 2,579,749.11-3,869,711.04-686,492.37

Finding the Fourth Proportional to 2,579,749.11, 3,869,711.04 and 686,492.37

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Solution

The fourth proportional to 2,579,749.11, 3,869,711.04 and 686,492.37 is: 1,029,761.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,749.11 : 3,869,711.04 = 686,492.37 : x
  2. Step 2: Convert to fraction form
    2,579,749.11/3,869,711.04 = 686,492.37/x
  3. Step 3: Cross multiply
    2,579,749.11x = 3,869,711.04 × 686,492.37
  4. Step 4: Simplify right side
    2,579,749.11x = 2,656,527,103,064.76
  5. Step 5: Solve for x
    x = 2,656,527,103,064.76/2,579,749.11
  6. Step 6: Final answer
    x = 1,029,761.81

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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.