Home / 2,538,590.40-3,808,058.40-809,323.20

Finding the Fourth Proportional to 2,538,590.40, 3,808,058.40 and 809,323.20

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Solution

The fourth proportional to 2,538,590.40, 3,808,058.40 and 809,323.20 is: 1,214,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538,590.40 : 3,808,058.40 = 809,323.20 : x
  2. Step 2: Convert to fraction form
    2,538,590.40/3,808,058.40 = 809,323.20/x
  3. Step 3: Cross multiply
    2,538,590.40x = 3,808,058.40 × 809,323.20
  4. Step 4: Simplify right side
    2,538,590.40x = 3,081,950,010,074.88
  5. Step 5: Solve for x
    x = 3,081,950,010,074.88/2,538,590.40
  6. Step 6: Final answer
    x = 1,214,039.89

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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.