Home / 2,185,905.74-3,279,077.36-669,571.16

Finding the Fourth Proportional to 2,185,905.74, 3,279,077.36 and 669,571.16

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Solution

The fourth proportional to 2,185,905.74, 3,279,077.36 and 669,571.16 is: 1,004,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,905.74 : 3,279,077.36 = 669,571.16 : x
  2. Step 2: Convert to fraction form
    2,185,905.74/3,279,077.36 = 669,571.16/x
  3. Step 3: Cross multiply
    2,185,905.74x = 3,279,077.36 × 669,571.16
  4. Step 4: Simplify right side
    2,185,905.74x = 2,195,575,611,921.70
  5. Step 5: Solve for x
    x = 2,195,575,611,921.70/2,185,905.74
  6. Step 6: Final answer
    x = 1,004,423.74

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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.