Home / 5,220,105.80-7,830,144.06-1,433,592.20

Finding the Fourth Proportional to 5,220,105.80, 7,830,144.06 and 1,433,592.20

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Solution

The fourth proportional to 5,220,105.80, 7,830,144.06 and 1,433,592.20 is: 2,150,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,105.80 : 7,830,144.06 = 1,433,592.20 : x
  2. Step 2: Convert to fraction form
    5,220,105.80/7,830,144.06 = 1,433,592.20/x
  3. Step 3: Cross multiply
    5,220,105.80x = 7,830,144.06 × 1,433,592.20
  4. Step 4: Simplify right side
    5,220,105.80x = 11,225,233,449,292.33
  5. Step 5: Solve for x
    x = 11,225,233,449,292.33/5,220,105.80
  6. Step 6: Final answer
    x = 2,150,384.28

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1.5x scale

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.