Home / 1,666,857.24-2,300,215.86-978,518.04

Finding the Fourth Proportional to 1,666,857.24, 2,300,215.86 and 978,518.04

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Solution

The fourth proportional to 1,666,857.24, 2,300,215.86 and 978,518.04 is: 1,350,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,857.24 : 2,300,215.86 = 978,518.04 : x
  2. Step 2: Convert to fraction form
    1,666,857.24/2,300,215.86 = 978,518.04/x
  3. Step 3: Cross multiply
    1,666,857.24x = 2,300,215.86 × 978,518.04
  4. Step 4: Simplify right side
    1,666,857.24x = 2,250,802,714,904.11
  5. Step 5: Solve for x
    x = 2,250,802,714,904.11/1,666,857.24
  6. Step 6: Final answer
    x = 1,350,327.23

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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.