Home / 4,678,923.78-7,019,054.37-1,440,734.94

Finding the Fourth Proportional to 4,678,923.78, 7,019,054.37 and 1,440,734.94

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Solution

The fourth proportional to 4,678,923.78, 7,019,054.37 and 1,440,734.94 is: 2,161,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,923.78 : 7,019,054.37 = 1,440,734.94 : x
  2. Step 2: Convert to fraction form
    4,678,923.78/7,019,054.37 = 1,440,734.94/x
  3. Step 3: Cross multiply
    4,678,923.78x = 7,019,054.37 × 1,440,734.94
  4. Step 4: Simplify right side
    4,678,923.78x = 10,112,596,876,618.69
  5. Step 5: Solve for x
    x = 10,112,596,876,618.69/4,678,923.78
  6. Step 6: Final answer
    x = 2,161,308.32

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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.