Home / 2,197,920.30-3,296,880.45-1,237,389.90

Finding the Fourth Proportional to 2,197,920.30, 3,296,880.45 and 1,237,389.90

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Solution

The fourth proportional to 2,197,920.30, 3,296,880.45 and 1,237,389.90 is: 1,856,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,920.30 : 3,296,880.45 = 1,237,389.90 : x
  2. Step 2: Convert to fraction form
    2,197,920.30/3,296,880.45 = 1,237,389.90/x
  3. Step 3: Cross multiply
    2,197,920.30x = 3,296,880.45 × 1,237,389.90
  4. Step 4: Simplify right side
    2,197,920.30x = 4,079,526,570,337.46
  5. Step 5: Solve for x
    x = 4,079,526,570,337.46/2,197,920.30
  6. Step 6: Final answer
    x = 1,856,084.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.