Home / 1,902,301.56-2,622,880.62-1,643,711.16

Finding the Fourth Proportional to 1,902,301.56, 2,622,880.62 and 1,643,711.16

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Solution

The fourth proportional to 1,902,301.56, 2,622,880.62 and 1,643,711.16 is: 2,266,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,301.56 : 2,622,880.62 = 1,643,711.16 : x
  2. Step 2: Convert to fraction form
    1,902,301.56/2,622,880.62 = 1,643,711.16/x
  3. Step 3: Cross multiply
    1,902,301.56x = 2,622,880.62 × 1,643,711.16
  4. Step 4: Simplify right side
    1,902,301.56x = 4,311,258,146,441.72
  5. Step 5: Solve for x
    x = 4,311,258,146,441.72/1,902,301.56
  6. Step 6: Final answer
    x = 2,266,337.91

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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.