Home / 5,209,561.09-7,186,904.24-3,143,424.23

Finding the Fourth Proportional to 5,209,561.09, 7,186,904.24 and 3,143,424.23

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Solution

The fourth proportional to 5,209,561.09, 7,186,904.24 and 3,143,424.23 is: 4,336,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,561.09 : 7,186,904.24 = 3,143,424.23 : x
  2. Step 2: Convert to fraction form
    5,209,561.09/7,186,904.24 = 3,143,424.23/x
  3. Step 3: Cross multiply
    5,209,561.09x = 7,186,904.24 × 3,143,424.23
  4. Step 4: Simplify right side
    5,209,561.09x = 22,591,488,926,705.73
  5. Step 5: Solve for x
    x = 22,591,488,926,705.73/5,209,561.09
  6. Step 6: Final answer
    x = 4,336,543.62

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1.5x scale

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.