Home / 2,389,914.80-3,298,040.72-1,302,195.40

Finding the Fourth Proportional to 2,389,914.80, 3,298,040.72 and 1,302,195.40

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Solution

The fourth proportional to 2,389,914.80, 3,298,040.72 and 1,302,195.40 is: 1,797,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,914.80 : 3,298,040.72 = 1,302,195.40 : x
  2. Step 2: Convert to fraction form
    2,389,914.80/3,298,040.72 = 1,302,195.40/x
  3. Step 3: Cross multiply
    2,389,914.80x = 3,298,040.72 × 1,302,195.40
  4. Step 4: Simplify right side
    2,389,914.80x = 4,294,693,454,596.69
  5. Step 5: Solve for x
    x = 4,294,693,454,596.69/2,389,914.80
  6. Step 6: Final answer
    x = 1,797,006.93

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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.