Home / 3,126,647.20-4,689,970.80-2,952,464.80

Finding the Fourth Proportional to 3,126,647.20, 4,689,970.80 and 2,952,464.80

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Solution

The fourth proportional to 3,126,647.20, 4,689,970.80 and 2,952,464.80 is: 4,428,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,647.20 : 4,689,970.80 = 2,952,464.80 : x
  2. Step 2: Convert to fraction form
    3,126,647.20/4,689,970.80 = 2,952,464.80/x
  3. Step 3: Cross multiply
    3,126,647.20x = 4,689,970.80 × 2,952,464.80
  4. Step 4: Simplify right side
    3,126,647.20x = 13,846,973,700,027.84
  5. Step 5: Solve for x
    x = 13,846,973,700,027.84/3,126,647.20
  6. Step 6: Final answer
    x = 4,428,697.20

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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.