Home / 2,880,211.20-4,320,316.80-2,670,259.20

Finding the Fourth Proportional to 2,880,211.20, 4,320,316.80 and 2,670,259.20

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Solution

The fourth proportional to 2,880,211.20, 4,320,316.80 and 2,670,259.20 is: 4,005,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,211.20 : 4,320,316.80 = 2,670,259.20 : x
  2. Step 2: Convert to fraction form
    2,880,211.20/4,320,316.80 = 2,670,259.20/x
  3. Step 3: Cross multiply
    2,880,211.20x = 4,320,316.80 × 2,670,259.20
  4. Step 4: Simplify right side
    2,880,211.20x = 11,536,365,682,114.56
  5. Step 5: Solve for x
    x = 11,536,365,682,114.56/2,880,211.20
  6. Step 6: Final answer
    x = 4,005,388.80

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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.