Home / 1,887,126.81-2,826,431.64-874,120.56

Finding the Fourth Proportional to 1,887,126.81, 2,826,431.64 and 874,120.56

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Solution

The fourth proportional to 1,887,126.81, 2,826,431.64 and 874,120.56 is: 1,309,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,126.81 : 2,826,431.64 = 874,120.56 : x
  2. Step 2: Convert to fraction form
    1,887,126.81/2,826,431.64 = 874,120.56/x
  3. Step 3: Cross multiply
    1,887,126.81x = 2,826,431.64 × 874,120.56
  4. Step 4: Simplify right side
    1,887,126.81x = 2,470,642,007,958.52
  5. Step 5: Solve for x
    x = 2,470,642,007,958.52/1,887,126.81
  6. Step 6: Final answer
    x = 1,309,208.26

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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.