Home / 3,111,172.50-4,290,144.33-2,456,712.75

Finding the Fourth Proportional to 3,111,172.50, 4,290,144.33 and 2,456,712.75

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Solution

The fourth proportional to 3,111,172.50, 4,290,144.33 and 2,456,712.75 is: 3,387,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,172.50 : 4,290,144.33 = 2,456,712.75 : x
  2. Step 2: Convert to fraction form
    3,111,172.50/4,290,144.33 = 2,456,712.75/x
  3. Step 3: Cross multiply
    3,111,172.50x = 4,290,144.33 × 2,456,712.75
  4. Step 4: Simplify right side
    3,111,172.50x = 10,539,652,262,567.64
  5. Step 5: Solve for x
    x = 10,539,652,262,567.64/3,111,172.50
  6. Step 6: Final answer
    x = 3,387,678.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.