Finding the Fourth Proportional to 3,394,789.58, 4,684,716.20 and 1,866,896.71
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Solution
The fourth proportional to 3,394,789.58, 4,684,716.20 and 1,866,896.71 is: 2,576,266.08
Step by Step Solution
- Step 1: Write the proportion equation
3,394,789.58 : 4,684,716.20 = 1,866,896.71 : x - Step 2: Convert to fraction form
3,394,789.58/4,684,716.20 = 1,866,896.71/x - Step 3: Cross multiply
3,394,789.58x = 4,684,716.20 × 1,866,896.71 - Step 4: Simplify right side
3,394,789.58x = 8,745,881,254,019.15 - Step 5: Solve for x
x = 8,745,881,254,019.15/3,394,789.58 - Step 6: Final answer
x = 2,576,266.08
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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.