Home / 5,377,658.61-7,421,072.67-2,930,290.86

Finding the Fourth Proportional to 5,377,658.61, 7,421,072.67 and 2,930,290.86

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Solution

The fourth proportional to 5,377,658.61, 7,421,072.67 and 2,930,290.86 is: 4,043,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,658.61 : 7,421,072.67 = 2,930,290.86 : x
  2. Step 2: Convert to fraction form
    5,377,658.61/7,421,072.67 = 2,930,290.86/x
  3. Step 3: Cross multiply
    5,377,658.61x = 7,421,072.67 × 2,930,290.86
  4. Step 4: Simplify right side
    5,377,658.61x = 21,745,901,416,296.80
  5. Step 5: Solve for x
    x = 21,745,901,416,296.80/5,377,658.61
  6. Step 6: Final answer
    x = 4,043,748.96

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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.