Home / 2,074,483.20-3,111,724.80-1,986,009.60

Finding the Fourth Proportional to 2,074,483.20, 3,111,724.80 and 1,986,009.60

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Solution

The fourth proportional to 2,074,483.20, 3,111,724.80 and 1,986,009.60 is: 2,979,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,483.20 : 3,111,724.80 = 1,986,009.60 : x
  2. Step 2: Convert to fraction form
    2,074,483.20/3,111,724.80 = 1,986,009.60/x
  3. Step 3: Cross multiply
    2,074,483.20x = 3,111,724.80 × 1,986,009.60
  4. Step 4: Simplify right side
    2,074,483.20x = 6,179,915,325,358.08
  5. Step 5: Solve for x
    x = 6,179,915,325,358.08/2,074,483.20
  6. Step 6: Final answer
    x = 2,979,014.40

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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.