Home / 1,783,478.70-2,675,218.05-1,647,009.90

Finding the Fourth Proportional to 1,783,478.70, 2,675,218.05 and 1,647,009.90

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Solution

The fourth proportional to 1,783,478.70, 2,675,218.05 and 1,647,009.90 is: 2,470,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,478.70 : 2,675,218.05 = 1,647,009.90 : x
  2. Step 2: Convert to fraction form
    1,783,478.70/2,675,218.05 = 1,647,009.90/x
  3. Step 3: Cross multiply
    1,783,478.70x = 2,675,218.05 × 1,647,009.90
  4. Step 4: Simplify right side
    1,783,478.70x = 4,406,110,613,008.69
  5. Step 5: Solve for x
    x = 4,406,110,613,008.69/1,783,478.70
  6. Step 6: Final answer
    x = 2,470,514.85

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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.