Home / 1,858,216.17-2,785,441.80-1,259,237.91

Finding the Fourth Proportional to 1,858,216.17, 2,785,441.80 and 1,259,237.91

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Solution

The fourth proportional to 1,858,216.17, 2,785,441.80 and 1,259,237.91 is: 1,887,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,216.17 : 2,785,441.80 = 1,259,237.91 : x
  2. Step 2: Convert to fraction form
    1,858,216.17/2,785,441.80 = 1,259,237.91/x
  3. Step 3: Cross multiply
    1,858,216.17x = 2,785,441.80 × 1,259,237.91
  4. Step 4: Simplify right side
    1,858,216.17x = 3,507,533,910,658.64
  5. Step 5: Solve for x
    x = 3,507,533,910,658.64/1,858,216.17
  6. Step 6: Final answer
    x = 1,887,581.20

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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.