Home / 3,622,818.60-5,428,007.10-1,914,431.40

Finding the Fourth Proportional to 3,622,818.60, 5,428,007.10 and 1,914,431.40

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Solution

The fourth proportional to 3,622,818.60, 5,428,007.10 and 1,914,431.40 is: 2,868,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,818.60 : 5,428,007.10 = 1,914,431.40 : x
  2. Step 2: Convert to fraction form
    3,622,818.60/5,428,007.10 = 1,914,431.40/x
  3. Step 3: Cross multiply
    3,622,818.60x = 5,428,007.10 × 1,914,431.40
  4. Step 4: Simplify right side
    3,622,818.60x = 10,391,547,231,662.94
  5. Step 5: Solve for x
    x = 10,391,547,231,662.94/3,622,818.60
  6. Step 6: Final answer
    x = 2,868,359.80

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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.