Home / 3,428,351.68-4,730,807.28-1,900,328.80

Finding the Fourth Proportional to 3,428,351.68, 4,730,807.28 and 1,900,328.80

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Solution

The fourth proportional to 3,428,351.68, 4,730,807.28 and 1,900,328.80 is: 2,622,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,351.68 : 4,730,807.28 = 1,900,328.80 : x
  2. Step 2: Convert to fraction form
    3,428,351.68/4,730,807.28 = 1,900,328.80/x
  3. Step 3: Cross multiply
    3,428,351.68x = 4,730,807.28 × 1,900,328.80
  4. Step 4: Simplify right side
    3,428,351.68x = 8,990,089,321,433.66
  5. Step 5: Solve for x
    x = 8,990,089,321,433.66/3,428,351.68
  6. Step 6: Final answer
    x = 2,622,277.46

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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.