Home / 3,990,541.40-5,505,316.84-2,946,464.83

Finding the Fourth Proportional to 3,990,541.40, 5,505,316.84 and 2,946,464.83

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Solution

The fourth proportional to 3,990,541.40, 5,505,316.84 and 2,946,464.83 is: 4,064,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,541.40 : 5,505,316.84 = 2,946,464.83 : x
  2. Step 2: Convert to fraction form
    3,990,541.40/5,505,316.84 = 2,946,464.83/x
  3. Step 3: Cross multiply
    3,990,541.40x = 5,505,316.84 × 2,946,464.83
  4. Step 4: Simplify right side
    3,990,541.40x = 16,221,222,447,066.74
  5. Step 5: Solve for x
    x = 16,221,222,447,066.74/3,990,541.40
  6. Step 6: Final answer
    x = 4,064,917.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.