Home / 3,162,131.64-4,371,096.08-2,821,345

Finding the Fourth Proportional to 3,162,131.64, 4,371,096.08 and 2,821,345

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Solution

The fourth proportional to 3,162,131.64, 4,371,096.08 and 2,821,345 is: 3,900,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,131.64 : 4,371,096.08 = 2,821,345 : x
  2. Step 2: Convert to fraction form
    3,162,131.64/4,371,096.08 = 2,821,345/x
  3. Step 3: Cross multiply
    3,162,131.64x = 4,371,096.08 × 2,821,345
  4. Step 4: Simplify right side
    3,162,131.64x = 12,332,370,069,827.60
  5. Step 5: Solve for x
    x = 12,332,370,069,827.60/3,162,131.64
  6. Step 6: Final answer
    x = 3,900,017.92

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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.