Home / 5,376,279.20-8,064,418.80-2,688,893.60

Finding the Fourth Proportional to 5,376,279.20, 8,064,418.80 and 2,688,893.60

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Solution

The fourth proportional to 5,376,279.20, 8,064,418.80 and 2,688,893.60 is: 4,033,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,279.20 : 8,064,418.80 = 2,688,893.60 : x
  2. Step 2: Convert to fraction form
    5,376,279.20/8,064,418.80 = 2,688,893.60/x
  3. Step 3: Cross multiply
    5,376,279.20x = 8,064,418.80 × 2,688,893.60
  4. Step 4: Simplify right side
    5,376,279.20x = 21,684,364,099,039.68
  5. Step 5: Solve for x
    x = 21,684,364,099,039.68/5,376,279.20
  6. Step 6: Final answer
    x = 4,033,340.40

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Similar ratio
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1.5x scale

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.