Home / 4,380,079.25-6,044,861.32-2,420,128.13

Finding the Fourth Proportional to 4,380,079.25, 6,044,861.32 and 2,420,128.13

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Solution

The fourth proportional to 4,380,079.25, 6,044,861.32 and 2,420,128.13 is: 3,339,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380,079.25 : 6,044,861.32 = 2,420,128.13 : x
  2. Step 2: Convert to fraction form
    4,380,079.25/6,044,861.32 = 2,420,128.13/x
  3. Step 3: Cross multiply
    4,380,079.25x = 6,044,861.32 × 2,420,128.13
  4. Step 4: Simplify right side
    4,380,079.25x = 14,629,338,886,206.30
  5. Step 5: Solve for x
    x = 14,629,338,886,206.30/4,380,079.25
  6. Step 6: Final answer
    x = 3,339,971.28

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1.5x scale

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.