Home / 2,850,146.60-4,275,499.95-828,407.25

Finding the Fourth Proportional to 2,850,146.60, 4,275,499.95 and 828,407.25

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Solution

The fourth proportional to 2,850,146.60, 4,275,499.95 and 828,407.25 is: 1,242,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,146.60 : 4,275,499.95 = 828,407.25 : x
  2. Step 2: Convert to fraction form
    2,850,146.60/4,275,499.95 = 828,407.25/x
  3. Step 3: Cross multiply
    2,850,146.60x = 4,275,499.95 × 828,407.25
  4. Step 4: Simplify right side
    2,850,146.60x = 3,541,855,155,954.64
  5. Step 5: Solve for x
    x = 3,541,855,155,954.64/2,850,146.60
  6. Step 6: Final answer
    x = 1,242,692.27

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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.