Home / 4,814,076.72-6,643,412.20-2,638,613.16

Finding the Fourth Proportional to 4,814,076.72, 6,643,412.20 and 2,638,613.16

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Solution

The fourth proportional to 4,814,076.72, 6,643,412.20 and 2,638,613.16 is: 3,641,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814,076.72 : 6,643,412.20 = 2,638,613.16 : x
  2. Step 2: Convert to fraction form
    4,814,076.72/6,643,412.20 = 2,638,613.16/x
  3. Step 3: Cross multiply
    4,814,076.72x = 6,643,412.20 × 2,638,613.16
  4. Step 4: Simplify right side
    4,814,076.72x = 17,529,394,858,224.55
  5. Step 5: Solve for x
    x = 17,529,394,858,224.55/4,814,076.72
  6. Step 6: Final answer
    x = 3,641,278.67

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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.