Home / 1,536,265.80-2,120,037.78-857,200.20

Finding the Fourth Proportional to 1,536,265.80, 2,120,037.78 and 857,200.20

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Solution

The fourth proportional to 1,536,265.80, 2,120,037.78 and 857,200.20 is: 1,182,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,265.80 : 2,120,037.78 = 857,200.20 : x
  2. Step 2: Convert to fraction form
    1,536,265.80/2,120,037.78 = 857,200.20/x
  3. Step 3: Cross multiply
    1,536,265.80x = 2,120,037.78 × 857,200.20
  4. Step 4: Simplify right side
    1,536,265.80x = 1,817,296,809,023.56
  5. Step 5: Solve for x
    x = 1,817,296,809,023.56/1,536,265.80
  6. Step 6: Final answer
    x = 1,182,931.24

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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.