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Finding the Fourth Proportional to 1,992,954.97, 2,749,559.15 and 1,534,210.01

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Solution

The fourth proportional to 1,992,954.97, 2,749,559.15 and 1,534,210.01 is: 2,116,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,954.97 : 2,749,559.15 = 1,534,210.01 : x
  2. Step 2: Convert to fraction form
    1,992,954.97/2,749,559.15 = 1,534,210.01/x
  3. Step 3: Cross multiply
    1,992,954.97x = 2,749,559.15 × 1,534,210.01
  4. Step 4: Simplify right side
    1,992,954.97x = 4,218,401,163,346.04
  5. Step 5: Solve for x
    x = 4,218,401,163,346.04/1,992,954.97
  6. Step 6: Final answer
    x = 2,116,656.54

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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.