Home / 2,315,391.34-3,195,354-1,397,605.90

Finding the Fourth Proportional to 2,315,391.34, 3,195,354 and 1,397,605.90

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Solution

The fourth proportional to 2,315,391.34, 3,195,354 and 1,397,605.90 is: 1,928,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,391.34 : 3,195,354 = 1,397,605.90 : x
  2. Step 2: Convert to fraction form
    2,315,391.34/3,195,354 = 1,397,605.90/x
  3. Step 3: Cross multiply
    2,315,391.34x = 3,195,354 × 1,397,605.90
  4. Step 4: Simplify right side
    2,315,391.34x = 4,465,845,602,988.60
  5. Step 5: Solve for x
    x = 4,465,845,602,988.60/2,315,391.34
  6. Step 6: Final answer
    x = 1,928,764.92

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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.