Home / 2,190,956.40-3,279,983.40-1,632,466.80

Finding the Fourth Proportional to 2,190,956.40, 3,279,983.40 and 1,632,466.80

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Solution

The fourth proportional to 2,190,956.40, 3,279,983.40 and 1,632,466.80 is: 2,443,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,956.40 : 3,279,983.40 = 1,632,466.80 : x
  2. Step 2: Convert to fraction form
    2,190,956.40/3,279,983.40 = 1,632,466.80/x
  3. Step 3: Cross multiply
    2,190,956.40x = 3,279,983.40 × 1,632,466.80
  4. Step 4: Simplify right side
    2,190,956.40x = 5,354,464,005,051.12
  5. Step 5: Solve for x
    x = 5,354,464,005,051.12/2,190,956.40
  6. Step 6: Final answer
    x = 2,443,893.45

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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.