Finding the Fourth Proportional to 2,957,603.20, 4,081,504.71 and 1,599,476.20
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Solution
The fourth proportional to 2,957,603.20, 4,081,504.71 and 1,599,476.20 is: 2,207,283.80
Step by Step Solution
- Step 1: Write the proportion equation
2,957,603.20 : 4,081,504.71 = 1,599,476.20 : x - Step 2: Convert to fraction form
2,957,603.20/4,081,504.71 = 1,599,476.20/x - Step 3: Cross multiply
2,957,603.20x = 4,081,504.71 × 1,599,476.20 - Step 4: Simplify right side
2,957,603.20x = 6,528,269,615,428.00 - Step 5: Solve for x
x = 6,528,269,615,428.00/2,957,603.20 - Step 6: Final answer
x = 2,207,283.80
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1.5x scale
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.