Home / 4,080,781.40-6,121,172.10-2,457,152.60

Finding the Fourth Proportional to 4,080,781.40, 6,121,172.10 and 2,457,152.60

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Solution

The fourth proportional to 4,080,781.40, 6,121,172.10 and 2,457,152.60 is: 3,685,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,781.40 : 6,121,172.10 = 2,457,152.60 : x
  2. Step 2: Convert to fraction form
    4,080,781.40/6,121,172.10 = 2,457,152.60/x
  3. Step 3: Cross multiply
    4,080,781.40x = 6,121,172.10 × 2,457,152.60
  4. Step 4: Simplify right side
    4,080,781.40x = 15,040,653,940,562.46
  5. Step 5: Solve for x
    x = 15,040,653,940,562.46/4,080,781.40
  6. Step 6: Final answer
    x = 3,685,728.90

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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.