Home / 2,989,705.40-4,485,214.20-967,605.20

Finding the Fourth Proportional to 2,989,705.40, 4,485,214.20 and 967,605.20

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Solution

The fourth proportional to 2,989,705.40, 4,485,214.20 and 967,605.20 is: 1,451,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,705.40 : 4,485,214.20 = 967,605.20 : x
  2. Step 2: Convert to fraction form
    2,989,705.40/4,485,214.20 = 967,605.20/x
  3. Step 3: Cross multiply
    2,989,705.40x = 4,485,214.20 × 967,605.20
  4. Step 4: Simplify right side
    2,989,705.40x = 4,339,916,583,033.84
  5. Step 5: Solve for x
    x = 4,339,916,583,033.84/2,989,705.40
  6. Step 6: Final answer
    x = 1,451,620.14

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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.