Home / 2,928,364.20-4,394,412.54-1,245,465

Finding the Fourth Proportional to 2,928,364.20, 4,394,412.54 and 1,245,465

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Solution

The fourth proportional to 2,928,364.20, 4,394,412.54 and 1,245,465 is: 1,868,991.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,364.20 : 4,394,412.54 = 1,245,465 : x
  2. Step 2: Convert to fraction form
    2,928,364.20/4,394,412.54 = 1,245,465/x
  3. Step 3: Cross multiply
    2,928,364.20x = 4,394,412.54 × 1,245,465
  4. Step 4: Simplify right side
    2,928,364.20x = 5,473,087,014,131.10
  5. Step 5: Solve for x
    x = 5,473,087,014,131.10/2,928,364.20
  6. Step 6: Final answer
    x = 1,868,991.23

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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.