Home / 3,919,501.72-5,876,262.24-1,788,095.26

Finding the Fourth Proportional to 3,919,501.72, 5,876,262.24 and 1,788,095.26

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Solution

The fourth proportional to 3,919,501.72, 5,876,262.24 and 1,788,095.26 is: 2,680,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,501.72 : 5,876,262.24 = 1,788,095.26 : x
  2. Step 2: Convert to fraction form
    3,919,501.72/5,876,262.24 = 1,788,095.26/x
  3. Step 3: Cross multiply
    3,919,501.72x = 5,876,262.24 × 1,788,095.26
  4. Step 4: Simplify right side
    3,919,501.72x = 10,507,316,657,860.98
  5. Step 5: Solve for x
    x = 10,507,316,657,860.98/3,919,501.72
  6. Step 6: Final answer
    x = 2,680,778.68

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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.