Home / 5,341,784.88-8,013,046.68-2,146,913.76

Finding the Fourth Proportional to 5,341,784.88, 8,013,046.68 and 2,146,913.76

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Solution

The fourth proportional to 5,341,784.88, 8,013,046.68 and 2,146,913.76 is: 3,220,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341,784.88 : 8,013,046.68 = 2,146,913.76 : x
  2. Step 2: Convert to fraction form
    5,341,784.88/8,013,046.68 = 2,146,913.76/x
  3. Step 3: Cross multiply
    5,341,784.88x = 8,013,046.68 × 2,146,913.76
  4. Step 4: Simplify right side
    5,341,784.88x = 17,203,320,176,814.31
  5. Step 5: Solve for x
    x = 17,203,320,176,814.31/5,341,784.88
  6. Step 6: Final answer
    x = 3,220,519.09

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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.