Home / 2,781,235.72-4,172,504.37-862,046.56

Finding the Fourth Proportional to 2,781,235.72, 4,172,504.37 and 862,046.56

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Solution

The fourth proportional to 2,781,235.72, 4,172,504.37 and 862,046.56 is: 1,293,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,235.72 : 4,172,504.37 = 862,046.56 : x
  2. Step 2: Convert to fraction form
    2,781,235.72/4,172,504.37 = 862,046.56/x
  3. Step 3: Cross multiply
    2,781,235.72x = 4,172,504.37 × 862,046.56
  4. Step 4: Simplify right side
    2,781,235.72x = 3,596,893,038,743.47
  5. Step 5: Solve for x
    x = 3,596,893,038,743.47/2,781,235.72
  6. Step 6: Final answer
    x = 1,293,271.55

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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.