Home / 2,570,003.80-3,851,319.30-1,890,784.60

Finding the Fourth Proportional to 2,570,003.80, 3,851,319.30 and 1,890,784.60

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Solution

The fourth proportional to 2,570,003.80, 3,851,319.30 and 1,890,784.60 is: 2,833,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570,003.80 : 3,851,319.30 = 1,890,784.60 : x
  2. Step 2: Convert to fraction form
    2,570,003.80/3,851,319.30 = 1,890,784.60/x
  3. Step 3: Cross multiply
    2,570,003.80x = 3,851,319.30 × 1,890,784.60
  4. Step 4: Simplify right side
    2,570,003.80x = 7,282,015,222,122.78
  5. Step 5: Solve for x
    x = 7,282,015,222,122.78/2,570,003.80
  6. Step 6: Final answer
    x = 2,833,464.77

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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.