Home / 2,915,774.80-4,373,662.20-921,230.80

Finding the Fourth Proportional to 2,915,774.80, 4,373,662.20 and 921,230.80

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Solution

The fourth proportional to 2,915,774.80, 4,373,662.20 and 921,230.80 is: 1,381,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,774.80 : 4,373,662.20 = 921,230.80 : x
  2. Step 2: Convert to fraction form
    2,915,774.80/4,373,662.20 = 921,230.80/x
  3. Step 3: Cross multiply
    2,915,774.80x = 4,373,662.20 × 921,230.80
  4. Step 4: Simplify right side
    2,915,774.80x = 4,029,152,327,435.76
  5. Step 5: Solve for x
    x = 4,029,152,327,435.76/2,915,774.80
  6. Step 6: Final answer
    x = 1,381,846.20

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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.