Home / 2,860,272.90-4,288,328.55-1,343,173.86

Finding the Fourth Proportional to 2,860,272.90, 4,288,328.55 and 1,343,173.86

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Solution

The fourth proportional to 2,860,272.90, 4,288,328.55 and 1,343,173.86 is: 2,013,783.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860,272.90 : 4,288,328.55 = 1,343,173.86 : x
  2. Step 2: Convert to fraction form
    2,860,272.90/4,288,328.55 = 1,343,173.86/x
  3. Step 3: Cross multiply
    2,860,272.90x = 4,288,328.55 × 1,343,173.86
  4. Step 4: Simplify right side
    2,860,272.90x = 5,759,970,811,451.70
  5. Step 5: Solve for x
    x = 5,759,970,811,451.70/2,860,272.90
  6. Step 6: Final answer
    x = 2,013,783.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.