Home / 1,820,146.60-2,729,960.70-622,124.20

Finding the Fourth Proportional to 1,820,146.60, 2,729,960.70 and 622,124.20

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Solution

The fourth proportional to 1,820,146.60, 2,729,960.70 and 622,124.20 is: 933,097.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,146.60 : 2,729,960.70 = 622,124.20 : x
  2. Step 2: Convert to fraction form
    1,820,146.60/2,729,960.70 = 622,124.20/x
  3. Step 3: Cross multiply
    1,820,146.60x = 2,729,960.70 × 622,124.20
  4. Step 4: Simplify right side
    1,820,146.60x = 1,698,374,616,518.94
  5. Step 5: Solve for x
    x = 1,698,374,616,518.94/1,820,146.60
  6. Step 6: Final answer
    x = 933,097.71

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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.