Home / 2,863,343.40-3,951,378.40-1,574,172.48

Finding the Fourth Proportional to 2,863,343.40, 3,951,378.40 and 1,574,172.48

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Solution

The fourth proportional to 2,863,343.40, 3,951,378.40 and 1,574,172.48 is: 2,172,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,343.40 : 3,951,378.40 = 1,574,172.48 : x
  2. Step 2: Convert to fraction form
    2,863,343.40/3,951,378.40 = 1,574,172.48/x
  3. Step 3: Cross multiply
    2,863,343.40x = 3,951,378.40 × 1,574,172.48
  4. Step 4: Simplify right side
    2,863,343.40x = 6,220,151,135,346.43
  5. Step 5: Solve for x
    x = 6,220,151,135,346.43/2,863,343.40
  6. Step 6: Final answer
    x = 2,172,338.51

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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.