Home / 4,670,485.20-7,005,727.80-2,780,917.20

Finding the Fourth Proportional to 4,670,485.20, 7,005,727.80 and 2,780,917.20

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Solution

The fourth proportional to 4,670,485.20, 7,005,727.80 and 2,780,917.20 is: 4,171,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670,485.20 : 7,005,727.80 = 2,780,917.20 : x
  2. Step 2: Convert to fraction form
    4,670,485.20/7,005,727.80 = 2,780,917.20/x
  3. Step 3: Cross multiply
    4,670,485.20x = 7,005,727.80 × 2,780,917.20
  4. Step 4: Simplify right side
    4,670,485.20x = 19,482,348,937,538.16
  5. Step 5: Solve for x
    x = 19,482,348,937,538.16/4,670,485.20
  6. Step 6: Final answer
    x = 4,171,375.80

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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.