Home / 3,785,623.06-5,678,245.85-1,389,279.16

Finding the Fourth Proportional to 3,785,623.06, 5,678,245.85 and 1,389,279.16

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Solution

The fourth proportional to 3,785,623.06, 5,678,245.85 and 1,389,279.16 is: 2,083,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,623.06 : 5,678,245.85 = 1,389,279.16 : x
  2. Step 2: Convert to fraction form
    3,785,623.06/5,678,245.85 = 1,389,279.16/x
  3. Step 3: Cross multiply
    3,785,623.06x = 5,678,245.85 × 1,389,279.16
  4. Step 4: Simplify right side
    3,785,623.06x = 7,888,668,642,430.30
  5. Step 5: Solve for x
    x = 7,888,668,642,430.30/3,785,623.06
  6. Step 6: Final answer
    x = 2,083,849.48

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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.