Home / 1,821,729.53-2,514,208.43-1,057,783.12

Finding the Fourth Proportional to 1,821,729.53, 2,514,208.43 and 1,057,783.12

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Solution

The fourth proportional to 1,821,729.53, 2,514,208.43 and 1,057,783.12 is: 1,459,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,729.53 : 2,514,208.43 = 1,057,783.12 : x
  2. Step 2: Convert to fraction form
    1,821,729.53/2,514,208.43 = 1,057,783.12/x
  3. Step 3: Cross multiply
    1,821,729.53x = 2,514,208.43 × 1,057,783.12
  4. Step 4: Simplify right side
    1,821,729.53x = 2,659,487,219,555.74
  5. Step 5: Solve for x
    x = 2,659,487,219,555.74/1,821,729.53
  6. Step 6: Final answer
    x = 1,459,869.41

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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.