Home / 5,345,825.80-8,018,738.70-4,814,984.20

Finding the Fourth Proportional to 5,345,825.80, 8,018,738.70 and 4,814,984.20

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Solution

The fourth proportional to 5,345,825.80, 8,018,738.70 and 4,814,984.20 is: 7,222,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,825.80 : 8,018,738.70 = 4,814,984.20 : x
  2. Step 2: Convert to fraction form
    5,345,825.80/8,018,738.70 = 4,814,984.20/x
  3. Step 3: Cross multiply
    5,345,825.80x = 8,018,738.70 × 4,814,984.20
  4. Step 4: Simplify right side
    5,345,825.80x = 38,610,100,144,428.54
  5. Step 5: Solve for x
    x = 38,610,100,144,428.54/5,345,825.80
  6. Step 6: Final answer
    x = 7,222,476.30

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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.