Home / 2,989,375.80-4,478,814.90-2,453,998.20

Finding the Fourth Proportional to 2,989,375.80, 4,478,814.90 and 2,453,998.20

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Solution

The fourth proportional to 2,989,375.80, 4,478,814.90 and 2,453,998.20 is: 3,676,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,375.80 : 4,478,814.90 = 2,453,998.20 : x
  2. Step 2: Convert to fraction form
    2,989,375.80/4,478,814.90 = 2,453,998.20/x
  3. Step 3: Cross multiply
    2,989,375.80x = 4,478,814.90 × 2,453,998.20
  4. Step 4: Simplify right side
    2,989,375.80x = 10,991,003,702,733.18
  5. Step 5: Solve for x
    x = 10,991,003,702,733.18/2,989,375.80
  6. Step 6: Final answer
    x = 3,676,688.53

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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.