Home / 4,670,086.60-7,005,129.90-2,990,470.60

Finding the Fourth Proportional to 4,670,086.60, 7,005,129.90 and 2,990,470.60

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Solution

The fourth proportional to 4,670,086.60, 7,005,129.90 and 2,990,470.60 is: 4,485,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670,086.60 : 7,005,129.90 = 2,990,470.60 : x
  2. Step 2: Convert to fraction form
    4,670,086.60/7,005,129.90 = 2,990,470.60/x
  3. Step 3: Cross multiply
    4,670,086.60x = 7,005,129.90 × 2,990,470.60
  4. Step 4: Simplify right side
    4,670,086.60x = 20,948,635,015,130.94
  5. Step 5: Solve for x
    x = 20,948,635,015,130.94/4,670,086.60
  6. Step 6: Final answer
    x = 4,485,705.90

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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.