Home / 2,177,633.81-3,005,118.96-1,210,755.65

Finding the Fourth Proportional to 2,177,633.81, 3,005,118.96 and 1,210,755.65

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Solution

The fourth proportional to 2,177,633.81, 3,005,118.96 and 1,210,755.65 is: 1,670,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,633.81 : 3,005,118.96 = 1,210,755.65 : x
  2. Step 2: Convert to fraction form
    2,177,633.81/3,005,118.96 = 1,210,755.65/x
  3. Step 3: Cross multiply
    2,177,633.81x = 3,005,118.96 × 1,210,755.65
  4. Step 4: Simplify right side
    2,177,633.81x = 3,638,464,744,716.53
  5. Step 5: Solve for x
    x = 3,638,464,744,716.53/2,177,633.81
  6. Step 6: Final answer
    x = 1,670,834.07

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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.