Home / 2,127,356.21-3,190,605.15-779,058.56

Finding the Fourth Proportional to 2,127,356.21, 3,190,605.15 and 779,058.56

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Solution

The fourth proportional to 2,127,356.21, 3,190,605.15 and 779,058.56 is: 1,168,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,356.21 : 3,190,605.15 = 779,058.56 : x
  2. Step 2: Convert to fraction form
    2,127,356.21/3,190,605.15 = 779,058.56/x
  3. Step 3: Cross multiply
    2,127,356.21x = 3,190,605.15 × 779,058.56
  4. Step 4: Simplify right side
    2,127,356.21x = 2,485,668,253,687.58
  5. Step 5: Solve for x
    x = 2,485,668,253,687.58/2,127,356.21
  6. Step 6: Final answer
    x = 1,168,430.68

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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.