Home / 2,850,147.60-4,275,501.45-828,408.25

Finding the Fourth Proportional to 2,850,147.60, 4,275,501.45 and 828,408.25

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Solution

The fourth proportional to 2,850,147.60, 4,275,501.45 and 828,408.25 is: 1,242,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,147.60 : 4,275,501.45 = 828,408.25 : x
  2. Step 2: Convert to fraction form
    2,850,147.60/4,275,501.45 = 828,408.25/x
  3. Step 3: Cross multiply
    2,850,147.60x = 4,275,501.45 × 828,408.25
  4. Step 4: Simplify right side
    2,850,147.60x = 3,541,860,674,066.96
  5. Step 5: Solve for x
    x = 3,541,860,674,066.96/2,850,147.60
  6. Step 6: Final answer
    x = 1,242,693.77

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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.