Home / 2,678,795.65-3,696,735.18-1,455,102.15

Finding the Fourth Proportional to 2,678,795.65, 3,696,735.18 and 1,455,102.15

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Solution

The fourth proportional to 2,678,795.65, 3,696,735.18 and 1,455,102.15 is: 2,008,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,795.65 : 3,696,735.18 = 1,455,102.15 : x
  2. Step 2: Convert to fraction form
    2,678,795.65/3,696,735.18 = 1,455,102.15/x
  3. Step 3: Cross multiply
    2,678,795.65x = 3,696,735.18 × 1,455,102.15
  4. Step 4: Simplify right side
    2,678,795.65x = 5,379,127,299,992.51
  5. Step 5: Solve for x
    x = 5,379,127,299,992.51/2,678,795.65
  6. Step 6: Final answer
    x = 2,008,039.43

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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.