Home / 3,089,485.80-4,634,155.80-845,623.80

Finding the Fourth Proportional to 3,089,485.80, 4,634,155.80 and 845,623.80

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Solution

The fourth proportional to 3,089,485.80, 4,634,155.80 and 845,623.80 is: 1,268,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,485.80 : 4,634,155.80 = 845,623.80 : x
  2. Step 2: Convert to fraction form
    3,089,485.80/4,634,155.80 = 845,623.80/x
  3. Step 3: Cross multiply
    3,089,485.80x = 4,634,155.80 × 845,623.80
  4. Step 4: Simplify right side
    3,089,485.80x = 3,918,752,437,388.04
  5. Step 5: Solve for x
    x = 3,918,752,437,388.04/3,089,485.80
  6. Step 6: Final answer
    x = 1,268,415.75

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1.5x scale

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.