Home / 3,836,830.78-5,294,827.48-2,117,952.46

Finding the Fourth Proportional to 3,836,830.78, 5,294,827.48 and 2,117,952.46

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Solution

The fourth proportional to 3,836,830.78, 5,294,827.48 and 2,117,952.46 is: 2,922,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,830.78 : 5,294,827.48 = 2,117,952.46 : x
  2. Step 2: Convert to fraction form
    3,836,830.78/5,294,827.48 = 2,117,952.46/x
  3. Step 3: Cross multiply
    3,836,830.78x = 5,294,827.48 × 2,117,952.46
  4. Step 4: Simplify right side
    3,836,830.78x = 11,214,192,886,541.60
  5. Step 5: Solve for x
    x = 11,214,192,886,541.60/3,836,830.78
  6. Step 6: Final answer
    x = 2,922,774.95

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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.