Home / 2,400,078.94-3,600,121.90-980,135.02

Finding the Fourth Proportional to 2,400,078.94, 3,600,121.90 and 980,135.02

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Solution

The fourth proportional to 2,400,078.94, 3,600,121.90 and 980,135.02 is: 1,470,203.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400,078.94 : 3,600,121.90 = 980,135.02 : x
  2. Step 2: Convert to fraction form
    2,400,078.94/3,600,121.90 = 980,135.02/x
  3. Step 3: Cross multiply
    2,400,078.94x = 3,600,121.90 × 980,135.02
  4. Step 4: Simplify right side
    2,400,078.94x = 3,528,605,550,458.94
  5. Step 5: Solve for x
    x = 3,528,605,550,458.94/2,400,078.94
  6. Step 6: Final answer
    x = 1,470,203.96

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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.