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Finding the Fourth Proportional to 2,754,473.63, 3,799,994.49 and 1,720,185.81

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Solution

The fourth proportional to 2,754,473.63, 3,799,994.49 and 1,720,185.81 is: 2,373,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,473.63 : 3,799,994.49 = 1,720,185.81 : x
  2. Step 2: Convert to fraction form
    2,754,473.63/3,799,994.49 = 1,720,185.81/x
  3. Step 3: Cross multiply
    2,754,473.63x = 3,799,994.49 × 1,720,185.81
  4. Step 4: Simplify right side
    2,754,473.63x = 6,536,696,599,776.19
  5. Step 5: Solve for x
    x = 6,536,696,599,776.19/2,754,473.63
  6. Step 6: Final answer
    x = 2,373,120.05

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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.