Home / 2,072,701.40-3,109,052.10-809,643.38

Finding the Fourth Proportional to 2,072,701.40, 3,109,052.10 and 809,643.38

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Solution

The fourth proportional to 2,072,701.40, 3,109,052.10 and 809,643.38 is: 1,214,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,701.40 : 3,109,052.10 = 809,643.38 : x
  2. Step 2: Convert to fraction form
    2,072,701.40/3,109,052.10 = 809,643.38/x
  3. Step 3: Cross multiply
    2,072,701.40x = 3,109,052.10 × 809,643.38
  4. Step 4: Simplify right side
    2,072,701.40x = 2,517,223,450,840.10
  5. Step 5: Solve for x
    x = 2,517,223,450,840.10/2,072,701.40
  6. Step 6: Final answer
    x = 1,214,465.07

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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.