Home / 2,379,012.23-3,282,948.53-1,291,260.39

Finding the Fourth Proportional to 2,379,012.23, 3,282,948.53 and 1,291,260.39

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Solution

The fourth proportional to 2,379,012.23, 3,282,948.53 and 1,291,260.39 is: 1,781,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,012.23 : 3,282,948.53 = 1,291,260.39 : x
  2. Step 2: Convert to fraction form
    2,379,012.23/3,282,948.53 = 1,291,260.39/x
  3. Step 3: Cross multiply
    2,379,012.23x = 3,282,948.53 × 1,291,260.39
  4. Step 4: Simplify right side
    2,379,012.23x = 4,239,141,402,425.88
  5. Step 5: Solve for x
    x = 4,239,141,402,425.88/2,379,012.23
  6. Step 6: Final answer
    x = 1,781,891.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.