Home / 3,236,173.60-4,857,370.80-1,640,538.40

Finding the Fourth Proportional to 3,236,173.60, 4,857,370.80 and 1,640,538.40

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Solution

The fourth proportional to 3,236,173.60, 4,857,370.80 and 1,640,538.40 is: 2,462,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236,173.60 : 4,857,370.80 = 1,640,538.40 : x
  2. Step 2: Convert to fraction form
    3,236,173.60/4,857,370.80 = 1,640,538.40/x
  3. Step 3: Cross multiply
    3,236,173.60x = 4,857,370.80 × 1,640,538.40
  4. Step 4: Simplify right side
    3,236,173.60x = 7,968,703,320,438.72
  5. Step 5: Solve for x
    x = 7,968,703,320,438.72/3,236,173.60
  6. Step 6: Final answer
    x = 2,462,384.38

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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.