Home / 1,936,612.68-2,902,918.32-738,213.36

Finding the Fourth Proportional to 1,936,612.68, 2,902,918.32 and 738,213.36

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Solution

The fourth proportional to 1,936,612.68, 2,902,918.32 and 738,213.36 is: 1,106,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,612.68 : 2,902,918.32 = 738,213.36 : x
  2. Step 2: Convert to fraction form
    1,936,612.68/2,902,918.32 = 738,213.36/x
  3. Step 3: Cross multiply
    1,936,612.68x = 2,902,918.32 × 738,213.36
  4. Step 4: Simplify right side
    1,936,612.68x = 2,142,973,086,812.76
  5. Step 5: Solve for x
    x = 2,142,973,086,812.76/1,936,612.68
  6. Step 6: Final answer
    x = 1,106,557.40

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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.