Home / 1,887,762.33-2,605,152.24-1,028,320.74

Finding the Fourth Proportional to 1,887,762.33, 2,605,152.24 and 1,028,320.74

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Solution

The fourth proportional to 1,887,762.33, 2,605,152.24 and 1,028,320.74 is: 1,419,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,762.33 : 2,605,152.24 = 1,028,320.74 : x
  2. Step 2: Convert to fraction form
    1,887,762.33/2,605,152.24 = 1,028,320.74/x
  3. Step 3: Cross multiply
    1,887,762.33x = 2,605,152.24 × 1,028,320.74
  4. Step 4: Simplify right side
    1,887,762.33x = 2,678,932,079,249.46
  5. Step 5: Solve for x
    x = 2,678,932,079,249.46/1,887,762.33
  6. Step 6: Final answer
    x = 1,419,104.53

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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.