Home / 3,117,325.21-4,304,879.69-2,947,494.72

Finding the Fourth Proportional to 3,117,325.21, 4,304,879.69 and 2,947,494.72

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Solution

The fourth proportional to 3,117,325.21, 4,304,879.69 and 2,947,494.72 is: 4,070,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,325.21 : 4,304,879.69 = 2,947,494.72 : x
  2. Step 2: Convert to fraction form
    3,117,325.21/4,304,879.69 = 2,947,494.72/x
  3. Step 3: Cross multiply
    3,117,325.21x = 4,304,879.69 × 2,947,494.72
  4. Step 4: Simplify right side
    3,117,325.21x = 12,688,610,142,318.36
  5. Step 5: Solve for x
    x = 12,688,610,142,318.36/3,117,325.21
  6. Step 6: Final answer
    x = 4,070,351.75

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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.