Finding the Fourth Proportional to 3,216,640.71, 4,823,543.97 and 1,511,268.75
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Solution
The fourth proportional to 3,216,640.71, 4,823,543.97 and 1,511,268.75 is: 2,266,237.33
Step by Step Solution
- Step 1: Write the proportion equation
3,216,640.71 : 4,823,543.97 = 1,511,268.75 : x - Step 2: Convert to fraction form
3,216,640.71/4,823,543.97 = 1,511,268.75/x - Step 3: Cross multiply
3,216,640.71x = 4,823,543.97 × 1,511,268.75 - Step 4: Simplify right side
3,216,640.71x = 7,289,671,266,111.94 - Step 5: Solve for x
x = 7,289,671,266,111.94/3,216,640.71 - Step 6: Final answer
x = 2,266,237.33
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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.