Home / 1,536,300.32-2,120,891.58-1,122,372.88

Finding the Fourth Proportional to 1,536,300.32, 2,120,891.58 and 1,122,372.88

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Solution

The fourth proportional to 1,536,300.32, 2,120,891.58 and 1,122,372.88 is: 1,549,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,300.32 : 2,120,891.58 = 1,122,372.88 : x
  2. Step 2: Convert to fraction form
    1,536,300.32/2,120,891.58 = 1,122,372.88/x
  3. Step 3: Cross multiply
    1,536,300.32x = 2,120,891.58 × 1,122,372.88
  4. Step 4: Simplify right side
    1,536,300.32x = 2,380,431,190,812.35
  5. Step 5: Solve for x
    x = 2,380,431,190,812.35/1,536,300.32
  6. Step 6: Final answer
    x = 1,549,456.94

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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.