Home / 2,389,915.80-3,298,042.10-1,302,196.40

Finding the Fourth Proportional to 2,389,915.80, 3,298,042.10 and 1,302,196.40

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Solution

The fourth proportional to 2,389,915.80, 3,298,042.10 and 1,302,196.40 is: 1,797,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,915.80 : 3,298,042.10 = 1,302,196.40 : x
  2. Step 2: Convert to fraction form
    2,389,915.80/3,298,042.10 = 1,302,196.40/x
  3. Step 3: Cross multiply
    2,389,915.80x = 3,298,042.10 × 1,302,196.40
  4. Step 4: Simplify right side
    2,389,915.80x = 4,294,698,549,668.44
  5. Step 5: Solve for x
    x = 4,294,698,549,668.44/2,389,915.80
  6. Step 6: Final answer
    x = 1,797,008.31

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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.