Home / 1,991,559.16-2,748,346.63-1,086,141.16

Finding the Fourth Proportional to 1,991,559.16, 2,748,346.63 and 1,086,141.16

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Solution

The fourth proportional to 1,991,559.16, 2,748,346.63 and 1,086,141.16 is: 1,498,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,559.16 : 2,748,346.63 = 1,086,141.16 : x
  2. Step 2: Convert to fraction form
    1,991,559.16/2,748,346.63 = 1,086,141.16/x
  3. Step 3: Cross multiply
    1,991,559.16x = 2,748,346.63 × 1,086,141.16
  4. Step 4: Simplify right side
    1,991,559.16x = 2,985,092,396,790.29
  5. Step 5: Solve for x
    x = 2,985,092,396,790.29/1,991,559.16
  6. Step 6: Final answer
    x = 1,498,872.07

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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.