Home / 1,902,971.12-2,626,136.17-1,043,480.12

Finding the Fourth Proportional to 1,902,971.12, 2,626,136.17 and 1,043,480.12

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Solution

The fourth proportional to 1,902,971.12, 2,626,136.17 and 1,043,480.12 is: 1,440,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,971.12 : 2,626,136.17 = 1,043,480.12 : x
  2. Step 2: Convert to fraction form
    1,902,971.12/2,626,136.17 = 1,043,480.12/x
  3. Step 3: Cross multiply
    1,902,971.12x = 2,626,136.17 × 1,043,480.12
  4. Step 4: Simplify right side
    1,902,971.12x = 2,740,320,870,068.56
  5. Step 5: Solve for x
    x = 2,740,320,870,068.56/1,902,971.12
  6. Step 6: Final answer
    x = 1,440,022.31

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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.