Home / 3,930,348.17-5,423,986.50-2,211,529.79

Finding the Fourth Proportional to 3,930,348.17, 5,423,986.50 and 2,211,529.79

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Solution

The fourth proportional to 3,930,348.17, 5,423,986.50 and 2,211,529.79 is: 3,051,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,348.17 : 5,423,986.50 = 2,211,529.79 : x
  2. Step 2: Convert to fraction form
    3,930,348.17/5,423,986.50 = 2,211,529.79/x
  3. Step 3: Cross multiply
    3,930,348.17x = 5,423,986.50 × 2,211,529.79
  4. Step 4: Simplify right side
    3,930,348.17x = 11,995,307,725,307.84
  5. Step 5: Solve for x
    x = 11,995,307,725,307.84/3,930,348.17
  6. Step 6: Final answer
    x = 3,051,970.77

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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.