Home / 1,648,558.01-2,275,789.22-1,105,048.89

Finding the Fourth Proportional to 1,648,558.01, 2,275,789.22 and 1,105,048.89

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Solution

The fourth proportional to 1,648,558.01, 2,275,789.22 and 1,105,048.89 is: 1,525,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,558.01 : 2,275,789.22 = 1,105,048.89 : x
  2. Step 2: Convert to fraction form
    1,648,558.01/2,275,789.22 = 1,105,048.89/x
  3. Step 3: Cross multiply
    1,648,558.01x = 2,275,789.22 × 1,105,048.89
  4. Step 4: Simplify right side
    1,648,558.01x = 2,514,858,345,909.72
  5. Step 5: Solve for x
    x = 2,514,858,345,909.72/1,648,558.01
  6. Step 6: Final answer
    x = 1,525,489.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.