Home / 2,588,474.88-3,880,204.56-989,807.04

Finding the Fourth Proportional to 2,588,474.88, 3,880,204.56 and 989,807.04

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Solution

The fourth proportional to 2,588,474.88, 3,880,204.56 and 989,807.04 is: 1,483,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,474.88 : 3,880,204.56 = 989,807.04 : x
  2. Step 2: Convert to fraction form
    2,588,474.88/3,880,204.56 = 989,807.04/x
  3. Step 3: Cross multiply
    2,588,474.88x = 3,880,204.56 × 989,807.04
  4. Step 4: Simplify right side
    2,588,474.88x = 3,840,653,790,128.10
  5. Step 5: Solve for x
    x = 3,840,653,790,128.10/2,588,474.88
  6. Step 6: Final answer
    x = 1,483,751.62

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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.