Home / 1,869,388.14-2,802,961.19-857,242.14

Finding the Fourth Proportional to 1,869,388.14, 2,802,961.19 and 857,242.14

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Solution

The fourth proportional to 1,869,388.14, 2,802,961.19 and 857,242.14 is: 1,285,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,388.14 : 2,802,961.19 = 857,242.14 : x
  2. Step 2: Convert to fraction form
    1,869,388.14/2,802,961.19 = 857,242.14/x
  3. Step 3: Cross multiply
    1,869,388.14x = 2,802,961.19 × 857,242.14
  4. Step 4: Simplify right side
    1,869,388.14x = 2,402,816,448,852.55
  5. Step 5: Solve for x
    x = 2,402,816,448,852.55/1,869,388.14
  6. Step 6: Final answer
    x = 1,285,349.15

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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.