Finding the Fourth Proportional to 5,722,329.98, 7,903,801.51 and 4,278,428.84
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Solution
The fourth proportional to 5,722,329.98, 7,903,801.51 and 4,278,428.84 is: 5,909,455.14
Step by Step Solution
- Step 1: Write the proportion equation
5,722,329.98 : 7,903,801.51 = 4,278,428.84 : x - Step 2: Convert to fraction form
5,722,329.98/7,903,801.51 = 4,278,428.84/x - Step 3: Cross multiply
5,722,329.98x = 7,903,801.51 × 4,278,428.84 - Step 4: Simplify right side
5,722,329.98x = 33,815,852,335,082.98 - Step 5: Solve for x
x = 33,815,852,335,082.98/5,722,329.98 - Step 6: Final answer
x = 5,909,455.14
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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.