Home / 2,688,999.60-4,033,499.40-2,670,337.20

Finding the Fourth Proportional to 2,688,999.60, 4,033,499.40 and 2,670,337.20

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Solution

The fourth proportional to 2,688,999.60, 4,033,499.40 and 2,670,337.20 is: 4,005,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,999.60 : 4,033,499.40 = 2,670,337.20 : x
  2. Step 2: Convert to fraction form
    2,688,999.60/4,033,499.40 = 2,670,337.20/x
  3. Step 3: Cross multiply
    2,688,999.60x = 4,033,499.40 × 2,670,337.20
  4. Step 4: Simplify right side
    2,688,999.60x = 10,770,803,493,997.68
  5. Step 5: Solve for x
    x = 10,770,803,493,997.68/2,688,999.60
  6. Step 6: Final answer
    x = 4,005,505.80

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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.