Home / 3,931,595-5,423,520.22-2,705,772.38

Finding the Fourth Proportional to 3,931,595, 5,423,520.22 and 2,705,772.38

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Solution

The fourth proportional to 3,931,595, 5,423,520.22 and 2,705,772.38 is: 3,732,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,595 : 5,423,520.22 = 2,705,772.38 : x
  2. Step 2: Convert to fraction form
    3,931,595/5,423,520.22 = 2,705,772.38/x
  3. Step 3: Cross multiply
    3,931,595x = 5,423,520.22 × 2,705,772.38
  4. Step 4: Simplify right side
    3,931,595x = 14,674,811,213,647.52
  5. Step 5: Solve for x
    x = 14,674,811,213,647.52/3,931,595
  6. Step 6: Final answer
    x = 3,732,533.80

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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.