Home / 3,851,702.72-5,315,349.47-2,132,823.23

Finding the Fourth Proportional to 3,851,702.72, 5,315,349.47 and 2,132,823.23

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Solution

The fourth proportional to 3,851,702.72, 5,315,349.47 and 2,132,823.23 is: 2,943,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,702.72 : 5,315,349.47 = 2,132,823.23 : x
  2. Step 2: Convert to fraction form
    3,851,702.72/5,315,349.47 = 2,132,823.23/x
  3. Step 3: Cross multiply
    3,851,702.72x = 5,315,349.47 × 2,132,823.23
  4. Step 4: Simplify right side
    3,851,702.72x = 11,336,700,787,943.32
  5. Step 5: Solve for x
    x = 11,336,700,787,943.32/3,851,702.72
  6. Step 6: Final answer
    x = 2,943,295.89

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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.