Home / 3,830,912.07-5,286,419.50-2,112,032.58

Finding the Fourth Proportional to 3,830,912.07, 5,286,419.50 and 2,112,032.58

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Solution

The fourth proportional to 3,830,912.07, 5,286,419.50 and 2,112,032.58 is: 2,914,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,912.07 : 5,286,419.50 = 2,112,032.58 : x
  2. Step 2: Convert to fraction form
    3,830,912.07/5,286,419.50 = 2,112,032.58/x
  3. Step 3: Cross multiply
    3,830,912.07x = 5,286,419.50 × 2,112,032.58
  4. Step 4: Simplify right side
    3,830,912.07x = 11,165,090,215,547.31
  5. Step 5: Solve for x
    x = 11,165,090,215,547.31/3,830,912.07
  6. Step 6: Final answer
    x = 2,914,473.11

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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.