Home / 2,074,542.12-3,111,813.72-654,709.32

Finding the Fourth Proportional to 2,074,542.12, 3,111,813.72 and 654,709.32

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Solution

The fourth proportional to 2,074,542.12, 3,111,813.72 and 654,709.32 is: 982,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,542.12 : 3,111,813.72 = 654,709.32 : x
  2. Step 2: Convert to fraction form
    2,074,542.12/3,111,813.72 = 654,709.32/x
  3. Step 3: Cross multiply
    2,074,542.12x = 3,111,813.72 × 654,709.32
  4. Step 4: Simplify right side
    2,074,542.12x = 2,037,333,444,587.87
  5. Step 5: Solve for x
    x = 2,037,333,444,587.87/2,074,542.12
  6. Step 6: Final answer
    x = 982,064.15

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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.