Home / 2,384,990.40-3,291,360.48-1,297,341.12

Finding the Fourth Proportional to 2,384,990.40, 3,291,360.48 and 1,297,341.12

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Solution

The fourth proportional to 2,384,990.40, 3,291,360.48 and 1,297,341.12 is: 1,790,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384,990.40 : 3,291,360.48 = 1,297,341.12 : x
  2. Step 2: Convert to fraction form
    2,384,990.40/3,291,360.48 = 1,297,341.12/x
  3. Step 3: Cross multiply
    2,384,990.40x = 3,291,360.48 × 1,297,341.12
  4. Step 4: Simplify right side
    2,384,990.40x = 4,270,017,291,446.94
  5. Step 5: Solve for x
    x = 4,270,017,291,446.94/2,384,990.40
  6. Step 6: Final answer
    x = 1,790,370.85

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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.