Home / 5,209,560.09-7,186,902.86-3,143,423.23

Finding the Fourth Proportional to 5,209,560.09, 7,186,902.86 and 3,143,423.23

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Solution

The fourth proportional to 5,209,560.09, 7,186,902.86 and 3,143,423.23 is: 4,336,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,560.09 : 7,186,902.86 = 3,143,423.23 : x
  2. Step 2: Convert to fraction form
    5,209,560.09/7,186,902.86 = 3,143,423.23/x
  3. Step 3: Cross multiply
    5,209,560.09x = 7,186,902.86 × 3,143,423.23
  4. Step 4: Simplify right side
    5,209,560.09x = 22,591,477,391,768.74
  5. Step 5: Solve for x
    x = 22,591,477,391,768.74/5,209,560.09
  6. Step 6: Final answer
    x = 4,336,542.24

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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.