Home / 2,986,877.80-4,477,692.30-1,789,276.60

Finding the Fourth Proportional to 2,986,877.80, 4,477,692.30 and 1,789,276.60

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Solution

The fourth proportional to 2,986,877.80, 4,477,692.30 and 1,789,276.60 is: 2,682,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,877.80 : 4,477,692.30 = 1,789,276.60 : x
  2. Step 2: Convert to fraction form
    2,986,877.80/4,477,692.30 = 1,789,276.60/x
  3. Step 3: Cross multiply
    2,986,877.80x = 4,477,692.30 × 1,789,276.60
  4. Step 4: Simplify right side
    2,986,877.80x = 8,011,830,054,390.18
  5. Step 5: Solve for x
    x = 8,011,830,054,390.18/2,986,877.80
  6. Step 6: Final answer
    x = 2,682,342.76

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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.