Home / 2,389,928.10-3,298,059.09-1,302,208.80

Finding the Fourth Proportional to 2,389,928.10, 3,298,059.09 and 1,302,208.80

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Solution

The fourth proportional to 2,389,928.10, 3,298,059.09 and 1,302,208.80 is: 1,797,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,928.10 : 3,298,059.09 = 1,302,208.80 : x
  2. Step 2: Convert to fraction form
    2,389,928.10/3,298,059.09 = 1,302,208.80/x
  3. Step 3: Cross multiply
    2,389,928.10x = 3,298,059.09 × 1,302,208.80
  4. Step 4: Simplify right side
    2,389,928.10x = 4,294,761,569,917.99
  5. Step 5: Solve for x
    x = 4,294,761,569,917.99/2,389,928.10
  6. Step 6: Final answer
    x = 1,797,025.43

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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.