Home / 5,320,109.10-7,981,330.05-1,725,264.30

Finding the Fourth Proportional to 5,320,109.10, 7,981,330.05 and 1,725,264.30

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Solution

The fourth proportional to 5,320,109.10, 7,981,330.05 and 1,725,264.30 is: 2,588,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,109.10 : 7,981,330.05 = 1,725,264.30 : x
  2. Step 2: Convert to fraction form
    5,320,109.10/7,981,330.05 = 1,725,264.30/x
  3. Step 3: Cross multiply
    5,320,109.10x = 7,981,330.05 × 1,725,264.30
  4. Step 4: Simplify right side
    5,320,109.10x = 13,769,903,801,782.21
  5. Step 5: Solve for x
    x = 13,769,903,801,782.21/5,320,109.10
  6. Step 6: Final answer
    x = 2,588,274.70

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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.