Home / 2,009,538.80-3,014,259.60-1,210,214.60

Finding the Fourth Proportional to 2,009,538.80, 3,014,259.60 and 1,210,214.60

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Solution

The fourth proportional to 2,009,538.80, 3,014,259.60 and 1,210,214.60 is: 1,815,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,538.80 : 3,014,259.60 = 1,210,214.60 : x
  2. Step 2: Convert to fraction form
    2,009,538.80/3,014,259.60 = 1,210,214.60/x
  3. Step 3: Cross multiply
    2,009,538.80x = 3,014,259.60 × 1,210,214.60
  4. Step 4: Simplify right side
    2,009,538.80x = 3,647,900,976,110.16
  5. Step 5: Solve for x
    x = 3,647,900,976,110.16/2,009,538.80
  6. Step 6: Final answer
    x = 1,815,292.63

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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.