Home / 3,879,002.70-5,353,145.45-2,136,798.41

Finding the Fourth Proportional to 3,879,002.70, 5,353,145.45 and 2,136,798.41

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Solution

The fourth proportional to 3,879,002.70, 5,353,145.45 and 2,136,798.41 is: 2,948,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,002.70 : 5,353,145.45 = 2,136,798.41 : x
  2. Step 2: Convert to fraction form
    3,879,002.70/5,353,145.45 = 2,136,798.41/x
  3. Step 3: Cross multiply
    3,879,002.70x = 5,353,145.45 × 2,136,798.41
  4. Step 4: Simplify right side
    3,879,002.70x = 11,438,592,648,609.02
  5. Step 5: Solve for x
    x = 11,438,592,648,609.02/3,879,002.70
  6. Step 6: Final answer
    x = 2,948,848.85

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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.