Home / 3,130,556.78-4,697,939.55-1,108,793.54

Finding the Fourth Proportional to 3,130,556.78, 4,697,939.55 and 1,108,793.54

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Solution

The fourth proportional to 3,130,556.78, 4,697,939.55 and 1,108,793.54 is: 1,663,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,556.78 : 4,697,939.55 = 1,108,793.54 : x
  2. Step 2: Convert to fraction form
    3,130,556.78/4,697,939.55 = 1,108,793.54/x
  3. Step 3: Cross multiply
    3,130,556.78x = 4,697,939.55 × 1,108,793.54
  4. Step 4: Simplify right side
    3,130,556.78x = 5,209,045,024,350.51
  5. Step 5: Solve for x
    x = 5,209,045,024,350.51/3,130,556.78
  6. Step 6: Final answer
    x = 1,663,935.65

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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.