Home / 1,989,579.16-2,745,622.74-1,084,161.16

Finding the Fourth Proportional to 1,989,579.16, 2,745,622.74 and 1,084,161.16

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Solution

The fourth proportional to 1,989,579.16, 2,745,622.74 and 1,084,161.16 is: 1,496,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,579.16 : 2,745,622.74 = 1,084,161.16 : x
  2. Step 2: Convert to fraction form
    1,989,579.16/2,745,622.74 = 1,084,161.16/x
  3. Step 3: Cross multiply
    1,989,579.16x = 2,745,622.74 × 1,084,161.16
  4. Step 4: Simplify right side
    1,989,579.16x = 2,976,697,534,720.78
  5. Step 5: Solve for x
    x = 2,976,697,534,720.78/1,989,579.16
  6. Step 6: Final answer
    x = 1,496,144.31

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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.