Home / 3,830,715.74-5,286,423.78-2,111,897.76

Finding the Fourth Proportional to 3,830,715.74, 5,286,423.78 and 2,111,897.76

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Solution

The fourth proportional to 3,830,715.74, 5,286,423.78 and 2,111,897.76 is: 2,914,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,715.74 : 5,286,423.78 = 2,111,897.76 : x
  2. Step 2: Convert to fraction form
    3,830,715.74/5,286,423.78 = 2,111,897.76/x
  3. Step 3: Cross multiply
    3,830,715.74x = 5,286,423.78 × 2,111,897.76
  4. Step 4: Simplify right side
    3,830,715.74x = 11,164,386,539,392.73
  5. Step 5: Solve for x
    x = 11,164,386,539,392.73/3,830,715.74
  6. Step 6: Final answer
    x = 2,914,438.79

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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.