Home / 2,799,842.70-4,189,266.45-1,855,058.70

Finding the Fourth Proportional to 2,799,842.70, 4,189,266.45 and 1,855,058.70

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Solution

The fourth proportional to 2,799,842.70, 4,189,266.45 and 1,855,058.70 is: 2,775,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,842.70 : 4,189,266.45 = 1,855,058.70 : x
  2. Step 2: Convert to fraction form
    2,799,842.70/4,189,266.45 = 1,855,058.70/x
  3. Step 3: Cross multiply
    2,799,842.70x = 4,189,266.45 × 1,855,058.70
  4. Step 4: Simplify right side
    2,799,842.70x = 7,771,335,174,690.62
  5. Step 5: Solve for x
    x = 7,771,335,174,690.62/2,799,842.70
  6. Step 6: Final answer
    x = 2,775,632.78

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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.