Finding the Fourth Proportional to 5,391,194.19, 7,439,883.99 and 2,943,822.27
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Solution
The fourth proportional to 5,391,194.19, 7,439,883.99 and 2,943,822.27 is: 4,062,494.39
Step by Step Solution
- Step 1: Write the proportion equation
5,391,194.19 : 7,439,883.99 = 2,943,822.27 : x - Step 2: Convert to fraction form
5,391,194.19/7,439,883.99 = 2,943,822.27/x - Step 3: Cross multiply
5,391,194.19x = 7,439,883.99 × 2,943,822.27 - Step 4: Simplify right side
5,391,194.19x = 21,901,696,175,978.46 - Step 5: Solve for x
x = 21,901,696,175,978.46/5,391,194.19 - Step 6: Final answer
x = 4,062,494.39
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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.