Home / 5,184,068.40-7,776,102.60-2,659,978.80

Finding the Fourth Proportional to 5,184,068.40, 7,776,102.60 and 2,659,978.80

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Solution

The fourth proportional to 5,184,068.40, 7,776,102.60 and 2,659,978.80 is: 3,989,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,068.40 : 7,776,102.60 = 2,659,978.80 : x
  2. Step 2: Convert to fraction form
    5,184,068.40/7,776,102.60 = 2,659,978.80/x
  3. Step 3: Cross multiply
    5,184,068.40x = 7,776,102.60 × 2,659,978.80
  4. Step 4: Simplify right side
    5,184,068.40x = 20,684,268,062,624.88
  5. Step 5: Solve for x
    x = 20,684,268,062,624.88/5,184,068.40
  6. Step 6: Final answer
    x = 3,989,968.20

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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.