Home / 2,851,728.40-4,277,203.80-857,184.40

Finding the Fourth Proportional to 2,851,728.40, 4,277,203.80 and 857,184.40

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Solution

The fourth proportional to 2,851,728.40, 4,277,203.80 and 857,184.40 is: 1,285,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,728.40 : 4,277,203.80 = 857,184.40 : x
  2. Step 2: Convert to fraction form
    2,851,728.40/4,277,203.80 = 857,184.40/x
  3. Step 3: Cross multiply
    2,851,728.40x = 4,277,203.80 × 857,184.40
  4. Step 4: Simplify right side
    2,851,728.40x = 3,666,352,372,980.72
  5. Step 5: Solve for x
    x = 3,666,352,372,980.72/2,851,728.40
  6. Step 6: Final answer
    x = 1,285,659.73

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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.