Home / 5,989,012.98-8,988,178.01-4,180,145.28

Finding the Fourth Proportional to 5,989,012.98, 8,988,178.01 and 4,180,145.28

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Solution

The fourth proportional to 5,989,012.98, 8,988,178.01 and 4,180,145.28 is: 6,273,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989,012.98 : 8,988,178.01 = 4,180,145.28 : x
  2. Step 2: Convert to fraction form
    5,989,012.98/8,988,178.01 = 4,180,145.28/x
  3. Step 3: Cross multiply
    5,989,012.98x = 8,988,178.01 × 4,180,145.28
  4. Step 4: Simplify right side
    5,989,012.98x = 37,571,889,863,400.57
  5. Step 5: Solve for x
    x = 37,571,889,863,400.57/5,989,012.98
  6. Step 6: Final answer
    x = 6,273,469.43

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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.