Home / 3,117,853.26-4,302,422.90-1,722,353.16

Finding the Fourth Proportional to 3,117,853.26, 4,302,422.90 and 1,722,353.16

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Solution

The fourth proportional to 3,117,853.26, 4,302,422.90 and 1,722,353.16 is: 2,376,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,853.26 : 4,302,422.90 = 1,722,353.16 : x
  2. Step 2: Convert to fraction form
    3,117,853.26/4,302,422.90 = 1,722,353.16/x
  3. Step 3: Cross multiply
    3,117,853.26x = 4,302,422.90 × 1,722,353.16
  4. Step 4: Simplify right side
    3,117,853.26x = 7,410,291,677,471.36
  5. Step 5: Solve for x
    x = 7,410,291,677,471.36/3,117,853.26
  6. Step 6: Final answer
    x = 2,376,728.81

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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.