Home / 4,936,857.20-7,405,830.12-1,570,276.88

Finding the Fourth Proportional to 4,936,857.20, 7,405,830.12 and 1,570,276.88

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Solution

The fourth proportional to 4,936,857.20, 7,405,830.12 and 1,570,276.88 is: 2,355,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936,857.20 : 7,405,830.12 = 1,570,276.88 : x
  2. Step 2: Convert to fraction form
    4,936,857.20/7,405,830.12 = 1,570,276.88/x
  3. Step 3: Cross multiply
    4,936,857.20x = 7,405,830.12 × 1,570,276.88
  4. Step 4: Simplify right side
    4,936,857.20x = 11,629,203,814,643.62
  5. Step 5: Solve for x
    x = 11,629,203,814,643.62/4,936,857.20
  6. Step 6: Final answer
    x = 2,355,588.45

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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.