Home / 3,956,643.45-5,934,853.94-1,261,130.18

Finding the Fourth Proportional to 3,956,643.45, 5,934,853.94 and 1,261,130.18

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Solution

The fourth proportional to 3,956,643.45, 5,934,853.94 and 1,261,130.18 is: 1,891,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956,643.45 : 5,934,853.94 = 1,261,130.18 : x
  2. Step 2: Convert to fraction form
    3,956,643.45/5,934,853.94 = 1,261,130.18/x
  3. Step 3: Cross multiply
    3,956,643.45x = 5,934,853.94 × 1,261,130.18
  4. Step 4: Simplify right side
    3,956,643.45x = 7,484,623,381,645.99
  5. Step 5: Solve for x
    x = 7,484,623,381,645.99/3,956,643.45
  6. Step 6: Final answer
    x = 1,891,659.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.