Home / 4,784,246.40-7,181,618.40-2,989,156.80

Finding the Fourth Proportional to 4,784,246.40, 7,181,618.40 and 2,989,156.80

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Solution

The fourth proportional to 4,784,246.40, 7,181,618.40 and 2,989,156.80 is: 4,487,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784,246.40 : 7,181,618.40 = 2,989,156.80 : x
  2. Step 2: Convert to fraction form
    4,784,246.40/7,181,618.40 = 2,989,156.80/x
  3. Step 3: Cross multiply
    4,784,246.40x = 7,181,618.40 × 2,989,156.80
  4. Step 4: Simplify right side
    4,784,246.40x = 21,466,983,475,365.12
  5. Step 5: Solve for x
    x = 21,466,983,475,365.12/4,784,246.40
  6. Step 6: Final answer
    x = 4,487,014.61

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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.