Home / 2,177,565.32-3,005,037.42-1,210,665.08

Finding the Fourth Proportional to 2,177,565.32, 3,005,037.42 and 1,210,665.08

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Solution

The fourth proportional to 2,177,565.32, 3,005,037.42 and 1,210,665.08 is: 1,670,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,565.32 : 3,005,037.42 = 1,210,665.08 : x
  2. Step 2: Convert to fraction form
    2,177,565.32/3,005,037.42 = 1,210,665.08/x
  3. Step 3: Cross multiply
    2,177,565.32x = 3,005,037.42 × 1,210,665.08
  4. Step 4: Simplify right side
    2,177,565.32x = 3,638,093,868,487.29
  5. Step 5: Solve for x
    x = 3,638,093,868,487.29/2,177,565.32
  6. Step 6: Final answer
    x = 1,670,716.30

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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.