Home / 1,536,266.80-2,120,039.16-857,201.20

Finding the Fourth Proportional to 1,536,266.80, 2,120,039.16 and 857,201.20

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Solution

The fourth proportional to 1,536,266.80, 2,120,039.16 and 857,201.20 is: 1,182,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,266.80 : 2,120,039.16 = 857,201.20 : x
  2. Step 2: Convert to fraction form
    1,536,266.80/2,120,039.16 = 857,201.20/x
  3. Step 3: Cross multiply
    1,536,266.80x = 2,120,039.16 × 857,201.20
  4. Step 4: Simplify right side
    1,536,266.80x = 1,817,300,111,998.99
  5. Step 5: Solve for x
    x = 1,817,300,111,998.99/1,536,266.80
  6. Step 6: Final answer
    x = 1,182,932.62

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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.