Home / 3,485,686.80-5,228,530.20-1,089,527.60

Finding the Fourth Proportional to 3,485,686.80, 5,228,530.20 and 1,089,527.60

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Solution

The fourth proportional to 3,485,686.80, 5,228,530.20 and 1,089,527.60 is: 1,634,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,686.80 : 5,228,530.20 = 1,089,527.60 : x
  2. Step 2: Convert to fraction form
    3,485,686.80/5,228,530.20 = 1,089,527.60/x
  3. Step 3: Cross multiply
    3,485,686.80x = 5,228,530.20 × 1,089,527.60
  4. Step 4: Simplify right side
    3,485,686.80x = 5,696,627,960,333.52
  5. Step 5: Solve for x
    x = 5,696,627,960,333.52/3,485,686.80
  6. Step 6: Final answer
    x = 1,634,291.40

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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.