Home / 2,177,565.82-3,005,038.11-1,210,665.58

Finding the Fourth Proportional to 2,177,565.82, 3,005,038.11 and 1,210,665.58

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Solution

The fourth proportional to 2,177,565.82, 3,005,038.11 and 1,210,665.58 is: 1,670,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,565.82 : 3,005,038.11 = 1,210,665.58 : x
  2. Step 2: Convert to fraction form
    2,177,565.82/3,005,038.11 = 1,210,665.58/x
  3. Step 3: Cross multiply
    2,177,565.82x = 3,005,038.11 × 1,210,665.58
  4. Step 4: Simplify right side
    2,177,565.82x = 3,638,096,206,365.25
  5. Step 5: Solve for x
    x = 3,638,096,206,365.25/2,177,565.82
  6. Step 6: Final answer
    x = 1,670,716.99

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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.