Home / 4,860,781.60-7,291,172.40-1,665,939.10

Finding the Fourth Proportional to 4,860,781.60, 7,291,172.40 and 1,665,939.10

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Solution

The fourth proportional to 4,860,781.60, 7,291,172.40 and 1,665,939.10 is: 2,498,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860,781.60 : 7,291,172.40 = 1,665,939.10 : x
  2. Step 2: Convert to fraction form
    4,860,781.60/7,291,172.40 = 1,665,939.10/x
  3. Step 3: Cross multiply
    4,860,781.60x = 7,291,172.40 × 1,665,939.10
  4. Step 4: Simplify right side
    4,860,781.60x = 12,146,649,186,000.84
  5. Step 5: Solve for x
    x = 12,146,649,186,000.84/4,860,781.60
  6. Step 6: Final answer
    x = 2,498,908.65

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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.