Home / 3,135,800.40-4,705,255.80-1,788,997.20

Finding the Fourth Proportional to 3,135,800.40, 4,705,255.80 and 1,788,997.20

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Solution

The fourth proportional to 3,135,800.40, 4,705,255.80 and 1,788,997.20 is: 2,684,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,800.40 : 4,705,255.80 = 1,788,997.20 : x
  2. Step 2: Convert to fraction form
    3,135,800.40/4,705,255.80 = 1,788,997.20/x
  3. Step 3: Cross multiply
    3,135,800.40x = 4,705,255.80 × 1,788,997.20
  4. Step 4: Simplify right side
    3,135,800.40x = 8,417,689,451,483.76
  5. Step 5: Solve for x
    x = 8,417,689,451,483.76/3,135,800.40
  6. Step 6: Final answer
    x = 2,684,383.05

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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.