Home / 2,505,903.40-3,756,230.70-989,000.20

Finding the Fourth Proportional to 2,505,903.40, 3,756,230.70 and 989,000.20

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Solution

The fourth proportional to 2,505,903.40, 3,756,230.70 and 989,000.20 is: 1,482,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505,903.40 : 3,756,230.70 = 989,000.20 : x
  2. Step 2: Convert to fraction form
    2,505,903.40/3,756,230.70 = 989,000.20/x
  3. Step 3: Cross multiply
    2,505,903.40x = 3,756,230.70 × 989,000.20
  4. Step 4: Simplify right side
    2,505,903.40x = 3,714,912,913,546.14
  5. Step 5: Solve for x
    x = 3,714,912,913,546.14/2,505,903.40
  6. Step 6: Final answer
    x = 1,482,464.53

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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.