Home / 5,379,512.80-8,078,600.40-2,860,088.80

Finding the Fourth Proportional to 5,379,512.80, 8,078,600.40 and 2,860,088.80

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Solution

The fourth proportional to 5,379,512.80, 8,078,600.40 and 2,860,088.80 is: 4,295,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,512.80 : 8,078,600.40 = 2,860,088.80 : x
  2. Step 2: Convert to fraction form
    5,379,512.80/8,078,600.40 = 2,860,088.80/x
  3. Step 3: Cross multiply
    5,379,512.80x = 8,078,600.40 × 2,860,088.80
  4. Step 4: Simplify right side
    5,379,512.80x = 23,105,514,523,715.52
  5. Step 5: Solve for x
    x = 23,105,514,523,715.52/5,379,512.80
  6. Step 6: Final answer
    x = 4,295,094.26

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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.