Home / 2,625,281.52-3,938,006.52-828,181.68

Finding the Fourth Proportional to 2,625,281.52, 3,938,006.52 and 828,181.68

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Solution

The fourth proportional to 2,625,281.52, 3,938,006.52 and 828,181.68 is: 1,242,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,281.52 : 3,938,006.52 = 828,181.68 : x
  2. Step 2: Convert to fraction form
    2,625,281.52/3,938,006.52 = 828,181.68/x
  3. Step 3: Cross multiply
    2,625,281.52x = 3,938,006.52 × 828,181.68
  4. Step 4: Simplify right side
    2,625,281.52x = 3,261,384,855,584.55
  5. Step 5: Solve for x
    x = 3,261,384,855,584.55/2,625,281.52
  6. Step 6: Final answer
    x = 1,242,299.09

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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.