Home / 5,171,659.85-7,136,890.25-2,997,464.15

Finding the Fourth Proportional to 5,171,659.85, 7,136,890.25 and 2,997,464.15

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Solution

The fourth proportional to 5,171,659.85, 7,136,890.25 and 2,997,464.15 is: 4,136,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,659.85 : 7,136,890.25 = 2,997,464.15 : x
  2. Step 2: Convert to fraction form
    5,171,659.85/7,136,890.25 = 2,997,464.15/x
  3. Step 3: Cross multiply
    5,171,659.85x = 7,136,890.25 × 2,997,464.15
  4. Step 4: Simplify right side
    5,171,659.85x = 21,392,572,616,187.77
  5. Step 5: Solve for x
    x = 21,392,572,616,187.77/5,171,659.85
  6. Step 6: Final answer
    x = 4,136,500.32

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1.5x scale

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.