Home / 1,843,636.80-2,765,455.20-1,205,907.60

Finding the Fourth Proportional to 1,843,636.80, 2,765,455.20 and 1,205,907.60

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Solution

The fourth proportional to 1,843,636.80, 2,765,455.20 and 1,205,907.60 is: 1,808,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,636.80 : 2,765,455.20 = 1,205,907.60 : x
  2. Step 2: Convert to fraction form
    1,843,636.80/2,765,455.20 = 1,205,907.60/x
  3. Step 3: Cross multiply
    1,843,636.80x = 2,765,455.20 × 1,205,907.60
  4. Step 4: Simplify right side
    1,843,636.80x = 3,334,883,443,139.52
  5. Step 5: Solve for x
    x = 3,334,883,443,139.52/1,843,636.80
  6. Step 6: Final answer
    x = 1,808,861.40

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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.