Home / 1,556,323.43-2,147,730.14-868,039.88

Finding the Fourth Proportional to 1,556,323.43, 2,147,730.14 and 868,039.88

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Solution

The fourth proportional to 1,556,323.43, 2,147,730.14 and 868,039.88 is: 1,197,897.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,323.43 : 2,147,730.14 = 868,039.88 : x
  2. Step 2: Convert to fraction form
    1,556,323.43/2,147,730.14 = 868,039.88/x
  3. Step 3: Cross multiply
    1,556,323.43x = 2,147,730.14 × 868,039.88
  4. Step 4: Simplify right side
    1,556,323.43x = 1,864,315,412,997.98
  5. Step 5: Solve for x
    x = 1,864,315,412,997.98/1,556,323.43
  6. Step 6: Final answer
    x = 1,197,897.16

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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.