Home / 5,212,939.95-7,820,712.03-3,678,929.52

Finding the Fourth Proportional to 5,212,939.95, 7,820,712.03 and 3,678,929.52

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Solution

The fourth proportional to 5,212,939.95, 7,820,712.03 and 3,678,929.52 is: 5,519,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,939.95 : 7,820,712.03 = 3,678,929.52 : x
  2. Step 2: Convert to fraction form
    5,212,939.95/7,820,712.03 = 3,678,929.52/x
  3. Step 3: Cross multiply
    5,212,939.95x = 7,820,712.03 × 3,678,929.52
  4. Step 4: Simplify right side
    5,212,939.95x = 28,771,848,354,586.12
  5. Step 5: Solve for x
    x = 28,771,848,354,586.12/5,212,939.95
  6. Step 6: Final answer
    x = 5,519,313.21

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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.