Home / 1,851,192.80-2,776,789.20-1,685,855.60

Finding the Fourth Proportional to 1,851,192.80, 2,776,789.20 and 1,685,855.60

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Solution

The fourth proportional to 1,851,192.80, 2,776,789.20 and 1,685,855.60 is: 2,528,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,192.80 : 2,776,789.20 = 1,685,855.60 : x
  2. Step 2: Convert to fraction form
    1,851,192.80/2,776,789.20 = 1,685,855.60/x
  3. Step 3: Cross multiply
    1,851,192.80x = 2,776,789.20 × 1,685,855.60
  4. Step 4: Simplify right side
    1,851,192.80x = 4,681,265,622,839.52
  5. Step 5: Solve for x
    x = 4,681,265,622,839.52/1,851,192.80
  6. Step 6: Final answer
    x = 2,528,783.40

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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.