Home / 3,189,606.90-4,776,537.15-2,118,851.70

Finding the Fourth Proportional to 3,189,606.90, 4,776,537.15 and 2,118,851.70

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Solution

The fourth proportional to 3,189,606.90, 4,776,537.15 and 2,118,851.70 is: 3,173,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,606.90 : 4,776,537.15 = 2,118,851.70 : x
  2. Step 2: Convert to fraction form
    3,189,606.90/4,776,537.15 = 2,118,851.70/x
  3. Step 3: Cross multiply
    3,189,606.90x = 4,776,537.15 × 2,118,851.70
  4. Step 4: Simplify right side
    3,189,606.90x = 10,120,773,860,390.66
  5. Step 5: Solve for x
    x = 10,120,773,860,390.66/3,189,606.90
  6. Step 6: Final answer
    x = 3,173,047.39

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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.