Home / 3,976,158.05-5,487,543.48-2,407,154.70

Finding the Fourth Proportional to 3,976,158.05, 5,487,543.48 and 2,407,154.70

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Solution

The fourth proportional to 3,976,158.05, 5,487,543.48 and 2,407,154.70 is: 3,322,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,158.05 : 5,487,543.48 = 2,407,154.70 : x
  2. Step 2: Convert to fraction form
    3,976,158.05/5,487,543.48 = 2,407,154.70/x
  3. Step 3: Cross multiply
    3,976,158.05x = 5,487,543.48 × 2,407,154.70
  4. Step 4: Simplify right side
    3,976,158.05x = 13,209,366,093,507.76
  5. Step 5: Solve for x
    x = 13,209,366,093,507.76/3,976,158.05
  6. Step 6: Final answer
    x = 3,322,143.11

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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.