Home / 3,787,953.10-5,226,078.60-2,155,951.72

Finding the Fourth Proportional to 3,787,953.10, 5,226,078.60 and 2,155,951.72

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Solution

The fourth proportional to 3,787,953.10, 5,226,078.60 and 2,155,951.72 is: 2,974,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,953.10 : 5,226,078.60 = 2,155,951.72 : x
  2. Step 2: Convert to fraction form
    3,787,953.10/5,226,078.60 = 2,155,951.72/x
  3. Step 3: Cross multiply
    3,787,953.10x = 5,226,078.60 × 2,155,951.72
  4. Step 4: Simplify right side
    3,787,953.10x = 11,267,173,146,525.19
  5. Step 5: Solve for x
    x = 11,267,173,146,525.19/3,787,953.10
  6. Step 6: Final answer
    x = 2,974,475.36

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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.