Home / 3,640,209.90-5,460,314.85-1,243,695.30

Finding the Fourth Proportional to 3,640,209.90, 5,460,314.85 and 1,243,695.30

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Solution

The fourth proportional to 3,640,209.90, 5,460,314.85 and 1,243,695.30 is: 1,865,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,209.90 : 5,460,314.85 = 1,243,695.30 : x
  2. Step 2: Convert to fraction form
    3,640,209.90/5,460,314.85 = 1,243,695.30/x
  3. Step 3: Cross multiply
    3,640,209.90x = 5,460,314.85 × 1,243,695.30
  4. Step 4: Simplify right side
    3,640,209.90x = 6,790,967,915,465.21
  5. Step 5: Solve for x
    x = 6,790,967,915,465.21/3,640,209.90
  6. Step 6: Final answer
    x = 1,865,542.95

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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.