Home / 4,200,703.20-6,289,995.60-3,072,664.80

Finding the Fourth Proportional to 4,200,703.20, 6,289,995.60 and 3,072,664.80

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Solution

The fourth proportional to 4,200,703.20, 6,289,995.60 and 3,072,664.80 is: 4,600,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,703.20 : 6,289,995.60 = 3,072,664.80 : x
  2. Step 2: Convert to fraction form
    4,200,703.20/6,289,995.60 = 3,072,664.80/x
  3. Step 3: Cross multiply
    4,200,703.20x = 6,289,995.60 × 3,072,664.80
  4. Step 4: Simplify right side
    4,200,703.20x = 19,327,048,072,274.88
  5. Step 5: Solve for x
    x = 19,327,048,072,274.88/4,200,703.20
  6. Step 6: Final answer
    x = 4,600,907.79

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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.