Home / 2,120,077.71-2,927,349.36-1,629,269.73

Finding the Fourth Proportional to 2,120,077.71, 2,927,349.36 and 1,629,269.73

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Solution

The fourth proportional to 2,120,077.71, 2,927,349.36 and 1,629,269.73 is: 2,249,654.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,077.71 : 2,927,349.36 = 1,629,269.73 : x
  2. Step 2: Convert to fraction form
    2,120,077.71/2,927,349.36 = 1,629,269.73/x
  3. Step 3: Cross multiply
    2,120,077.71x = 2,927,349.36 × 1,629,269.73
  4. Step 4: Simplify right side
    2,120,077.71x = 4,769,441,701,382.87
  5. Step 5: Solve for x
    x = 4,769,441,701,382.87/2,120,077.71
  6. Step 6: Final answer
    x = 2,249,654.19

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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.