Home / 1,606,405.10-2,216,825.92-871,357.54

Finding the Fourth Proportional to 1,606,405.10, 2,216,825.92 and 871,357.54

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Solution

The fourth proportional to 1,606,405.10, 2,216,825.92 and 871,357.54 is: 1,202,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,405.10 : 2,216,825.92 = 871,357.54 : x
  2. Step 2: Convert to fraction form
    1,606,405.10/2,216,825.92 = 871,357.54/x
  3. Step 3: Cross multiply
    1,606,405.10x = 2,216,825.92 × 871,357.54
  4. Step 4: Simplify right side
    1,606,405.10x = 1,931,647,980,259.44
  5. Step 5: Solve for x
    x = 1,931,647,980,259.44/1,606,405.10
  6. Step 6: Final answer
    x = 1,202,466.29

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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.