Home / 1,989,587.16-2,745,633.78-1,084,169.16

Finding the Fourth Proportional to 1,989,587.16, 2,745,633.78 and 1,084,169.16

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Solution

The fourth proportional to 1,989,587.16, 2,745,633.78 and 1,084,169.16 is: 1,496,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,587.16 : 2,745,633.78 = 1,084,169.16 : x
  2. Step 2: Convert to fraction form
    1,989,587.16/2,745,633.78 = 1,084,169.16/x
  3. Step 3: Cross multiply
    1,989,587.16x = 2,745,633.78 × 1,084,169.16
  4. Step 4: Simplify right side
    1,989,587.16x = 2,976,731,468,930.22
  5. Step 5: Solve for x
    x = 2,976,731,468,930.22/1,989,587.16
  6. Step 6: Final answer
    x = 1,496,155.35

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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.