Home / 1,566,333.52-2,161,405.92-868,636.78

Finding the Fourth Proportional to 1,566,333.52, 2,161,405.92 and 868,636.78

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Solution

The fourth proportional to 1,566,333.52, 2,161,405.92 and 868,636.78 is: 1,198,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,333.52 : 2,161,405.92 = 868,636.78 : x
  2. Step 2: Convert to fraction form
    1,566,333.52/2,161,405.92 = 868,636.78/x
  3. Step 3: Cross multiply
    1,566,333.52x = 2,161,405.92 × 868,636.78
  4. Step 4: Simplify right side
    1,566,333.52x = 1,877,476,678,621.74
  5. Step 5: Solve for x
    x = 1,877,476,678,621.74/1,566,333.52
  6. Step 6: Final answer
    x = 1,198,644.26

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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.