Home / 2,914,977.80-4,372,466.70-920,433.80

Finding the Fourth Proportional to 2,914,977.80, 4,372,466.70 and 920,433.80

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Solution

The fourth proportional to 2,914,977.80, 4,372,466.70 and 920,433.80 is: 1,380,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,977.80 : 4,372,466.70 = 920,433.80 : x
  2. Step 2: Convert to fraction form
    2,914,977.80/4,372,466.70 = 920,433.80/x
  3. Step 3: Cross multiply
    2,914,977.80x = 4,372,466.70 × 920,433.80
  4. Step 4: Simplify right side
    2,914,977.80x = 4,024,566,140,054.46
  5. Step 5: Solve for x
    x = 4,024,566,140,054.46/2,914,977.80
  6. Step 6: Final answer
    x = 1,380,650.70

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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.