Home / 1,536,217.25-2,119,978.47-857,153.75

Finding the Fourth Proportional to 1,536,217.25, 2,119,978.47 and 857,153.75

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Solution

The fourth proportional to 1,536,217.25, 2,119,978.47 and 857,153.75 is: 1,182,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,217.25 : 2,119,978.47 = 857,153.75 : x
  2. Step 2: Convert to fraction form
    1,536,217.25/2,119,978.47 = 857,153.75/x
  3. Step 3: Cross multiply
    1,536,217.25x = 2,119,978.47 × 857,153.75
  4. Step 4: Simplify right side
    1,536,217.25x = 1,817,147,488,094.20
  5. Step 5: Solve for x
    x = 1,817,147,488,094.20/1,536,217.25
  6. Step 6: Final answer
    x = 1,182,871.43

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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.