Home / 5,171,658.35-7,136,888.18-2,997,462.65

Finding the Fourth Proportional to 5,171,658.35, 7,136,888.18 and 2,997,462.65

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Solution

The fourth proportional to 5,171,658.35, 7,136,888.18 and 2,997,462.65 is: 4,136,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,658.35 : 7,136,888.18 = 2,997,462.65 : x
  2. Step 2: Convert to fraction form
    5,171,658.35/7,136,888.18 = 2,997,462.65/x
  3. Step 3: Cross multiply
    5,171,658.35x = 7,136,888.18 × 2,997,462.65
  4. Step 4: Simplify right side
    5,171,658.35x = 21,392,555,727,180.78
  5. Step 5: Solve for x
    x = 21,392,555,727,180.78/5,171,658.35
  6. Step 6: Final answer
    x = 4,136,498.25

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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.