Home / 5,376,157.20-8,064,235.80-2,688,771.60

Finding the Fourth Proportional to 5,376,157.20, 8,064,235.80 and 2,688,771.60

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Solution

The fourth proportional to 5,376,157.20, 8,064,235.80 and 2,688,771.60 is: 4,033,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,157.20 : 8,064,235.80 = 2,688,771.60 : x
  2. Step 2: Convert to fraction form
    5,376,157.20/8,064,235.80 = 2,688,771.60/x
  3. Step 3: Cross multiply
    5,376,157.20x = 8,064,235.80 × 2,688,771.60
  4. Step 4: Simplify right side
    5,376,157.20x = 21,682,888,194,743.28
  5. Step 5: Solve for x
    x = 21,682,888,194,743.28/5,376,157.20
  6. Step 6: Final answer
    x = 4,033,157.40

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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.