Home / 5,310,567.90-7,328,504.70-2,987,284.86

Finding the Fourth Proportional to 5,310,567.90, 7,328,504.70 and 2,987,284.86

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Solution

The fourth proportional to 5,310,567.90, 7,328,504.70 and 2,987,284.86 is: 4,122,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,567.90 : 7,328,504.70 = 2,987,284.86 : x
  2. Step 2: Convert to fraction form
    5,310,567.90/7,328,504.70 = 2,987,284.86/x
  3. Step 3: Cross multiply
    5,310,567.90x = 7,328,504.70 × 2,987,284.86
  4. Step 4: Simplify right side
    5,310,567.90x = 21,892,331,136,748.84
  5. Step 5: Solve for x
    x = 21,892,331,136,748.84/5,310,567.90
  6. Step 6: Final answer
    x = 4,122,408.67

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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.