Home / 3,830,713.49-5,286,420.68-2,111,895.52

Finding the Fourth Proportional to 3,830,713.49, 5,286,420.68 and 2,111,895.52

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Solution

The fourth proportional to 3,830,713.49, 5,286,420.68 and 2,111,895.52 is: 2,914,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,713.49 : 5,286,420.68 = 2,111,895.52 : x
  2. Step 2: Convert to fraction form
    3,830,713.49/5,286,420.68 = 2,111,895.52/x
  3. Step 3: Cross multiply
    3,830,713.49x = 5,286,420.68 × 2,111,895.52
  4. Step 4: Simplify right side
    3,830,713.49x = 11,164,368,127,151.82
  5. Step 5: Solve for x
    x = 11,164,368,127,151.82/3,830,713.49
  6. Step 6: Final answer
    x = 2,914,435.69

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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.