Home / 3,315,937.20-4,973,905.80-1,632,692.40

Finding the Fourth Proportional to 3,315,937.20, 4,973,905.80 and 1,632,692.40

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Solution

The fourth proportional to 3,315,937.20, 4,973,905.80 and 1,632,692.40 is: 2,449,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,937.20 : 4,973,905.80 = 1,632,692.40 : x
  2. Step 2: Convert to fraction form
    3,315,937.20/4,973,905.80 = 1,632,692.40/x
  3. Step 3: Cross multiply
    3,315,937.20x = 4,973,905.80 × 1,632,692.40
  4. Step 4: Simplify right side
    3,315,937.20x = 8,120,858,197,975.92
  5. Step 5: Solve for x
    x = 8,120,858,197,975.92/3,315,937.20
  6. Step 6: Final answer
    x = 2,449,038.60

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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.