Finding the Fourth Proportional to 3,394,566.24, 4,684,621.68 and 1,866,789.60
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Solution
The fourth proportional to 3,394,566.24, 4,684,621.68 and 1,866,789.60 is: 2,576,235.79
Step by Step Solution
- Step 1: Write the proportion equation
3,394,566.24 : 4,684,621.68 = 1,866,789.60 : x - Step 2: Convert to fraction form
3,394,566.24/4,684,621.68 = 1,866,789.60/x - Step 3: Cross multiply
3,394,566.24x = 4,684,621.68 × 1,866,789.60 - Step 4: Simplify right side
3,394,566.24x = 8,745,203,032,158.53 - Step 5: Solve for x
x = 8,745,203,032,158.53/3,394,566.24 - Step 6: Final answer
x = 2,576,235.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.