Home / 3,184,122.20-4,776,224.81-909,720.79

Finding the Fourth Proportional to 3,184,122.20, 4,776,224.81 and 909,720.79

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Solution

The fourth proportional to 3,184,122.20, 4,776,224.81 and 909,720.79 is: 1,364,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184,122.20 : 4,776,224.81 = 909,720.79 : x
  2. Step 2: Convert to fraction form
    3,184,122.20/4,776,224.81 = 909,720.79/x
  3. Step 3: Cross multiply
    3,184,122.20x = 4,776,224.81 × 909,720.79
  4. Step 4: Simplify right side
    3,184,122.20x = 4,345,030,990,881.63
  5. Step 5: Solve for x
    x = 4,345,030,990,881.63/3,184,122.20
  6. Step 6: Final answer
    x = 1,364,593.04

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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.