Home / 1,928,203.30-2,891,138.55-863,046.82

Finding the Fourth Proportional to 1,928,203.30, 2,891,138.55 and 863,046.82

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Solution

The fourth proportional to 1,928,203.30, 2,891,138.55 and 863,046.82 is: 1,294,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,203.30 : 2,891,138.55 = 863,046.82 : x
  2. Step 2: Convert to fraction form
    1,928,203.30/2,891,138.55 = 863,046.82/x
  3. Step 3: Cross multiply
    1,928,203.30x = 2,891,138.55 × 863,046.82
  4. Step 4: Simplify right side
    1,928,203.30x = 2,495,187,931,756.91
  5. Step 5: Solve for x
    x = 2,495,187,931,756.91/1,928,203.30
  6. Step 6: Final answer
    x = 1,294,048.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.