Home / 3,008,327.60-4,512,007.20-877,912.40

Finding the Fourth Proportional to 3,008,327.60, 4,512,007.20 and 877,912.40

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Solution

The fourth proportional to 3,008,327.60, 4,512,007.20 and 877,912.40 is: 1,316,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008,327.60 : 4,512,007.20 = 877,912.40 : x
  2. Step 2: Convert to fraction form
    3,008,327.60/4,512,007.20 = 877,912.40/x
  3. Step 3: Cross multiply
    3,008,327.60x = 4,512,007.20 × 877,912.40
  4. Step 4: Simplify right side
    3,008,327.60x = 3,961,147,069,769.28
  5. Step 5: Solve for x
    x = 3,961,147,069,769.28/3,008,327.60
  6. Step 6: Final answer
    x = 1,316,727.30

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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.