Home / 2,071,200.90-2,859,141.76-1,392,531.06

Finding the Fourth Proportional to 2,071,200.90, 2,859,141.76 and 1,392,531.06

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Solution

The fourth proportional to 2,071,200.90, 2,859,141.76 and 1,392,531.06 is: 1,922,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,200.90 : 2,859,141.76 = 1,392,531.06 : x
  2. Step 2: Convert to fraction form
    2,071,200.90/2,859,141.76 = 1,392,531.06/x
  3. Step 3: Cross multiply
    2,071,200.90x = 2,859,141.76 × 1,392,531.06
  4. Step 4: Simplify right side
    2,071,200.90x = 3,981,443,705,743.07
  5. Step 5: Solve for x
    x = 3,981,443,705,743.07/2,071,200.90
  6. Step 6: Final answer
    x = 1,922,287.55

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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.