Home / 4,985,686.20-7,478,529.30-3,190,596.60

Finding the Fourth Proportional to 4,985,686.20, 7,478,529.30 and 3,190,596.60

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Solution

The fourth proportional to 4,985,686.20, 7,478,529.30 and 3,190,596.60 is: 4,785,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,686.20 : 7,478,529.30 = 3,190,596.60 : x
  2. Step 2: Convert to fraction form
    4,985,686.20/7,478,529.30 = 3,190,596.60/x
  3. Step 3: Cross multiply
    4,985,686.20x = 7,478,529.30 × 3,190,596.60
  4. Step 4: Simplify right side
    4,985,686.20x = 23,860,970,157,580.38
  5. Step 5: Solve for x
    x = 23,860,970,157,580.38/4,985,686.20
  6. Step 6: Final answer
    x = 4,785,894.90

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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.