Home / 5,171,659.79-7,136,890.16-2,997,464.07

Finding the Fourth Proportional to 5,171,659.79, 7,136,890.16 and 2,997,464.07

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Solution

The fourth proportional to 5,171,659.79, 7,136,890.16 and 2,997,464.07 is: 4,136,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,659.79 : 7,136,890.16 = 2,997,464.07 : x
  2. Step 2: Convert to fraction form
    5,171,659.79/7,136,890.16 = 2,997,464.07/x
  3. Step 3: Cross multiply
    5,171,659.79x = 7,136,890.16 × 2,997,464.07
  4. Step 4: Simplify right side
    5,171,659.79x = 21,392,571,811,149.23
  5. Step 5: Solve for x
    x = 21,392,571,811,149.23/5,171,659.79
  6. Step 6: Final answer
    x = 4,136,500.21

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Double scale
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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.