Home / 1,968,816.38-2,716,968.42-1,063,398.38

Finding the Fourth Proportional to 1,968,816.38, 2,716,968.42 and 1,063,398.38

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Solution

The fourth proportional to 1,968,816.38, 2,716,968.42 and 1,063,398.38 is: 1,467,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,816.38 : 2,716,968.42 = 1,063,398.38 : x
  2. Step 2: Convert to fraction form
    1,968,816.38/2,716,968.42 = 1,063,398.38/x
  3. Step 3: Cross multiply
    1,968,816.38x = 2,716,968.42 × 1,063,398.38
  4. Step 4: Simplify right side
    1,968,816.38x = 2,889,219,802,754.32
  5. Step 5: Solve for x
    x = 2,889,219,802,754.32/1,968,816.38
  6. Step 6: Final answer
    x = 1,467,490.74

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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.