Home / 2,312,076.35-3,190,599.72-1,279,626.46

Finding the Fourth Proportional to 2,312,076.35, 3,190,599.72 and 1,279,626.46

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Solution

The fourth proportional to 2,312,076.35, 3,190,599.72 and 1,279,626.46 is: 1,765,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,076.35 : 3,190,599.72 = 1,279,626.46 : x
  2. Step 2: Convert to fraction form
    2,312,076.35/3,190,599.72 = 1,279,626.46/x
  3. Step 3: Cross multiply
    2,312,076.35x = 3,190,599.72 × 1,279,626.46
  4. Step 4: Simplify right side
    2,312,076.35x = 4,082,775,817,004.09
  5. Step 5: Solve for x
    x = 4,082,775,817,004.09/2,312,076.35
  6. Step 6: Final answer
    x = 1,765,848.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.