Finding the Fourth Proportional to 3,903,326.62, 5,389,897.34 and 2,453,488.99
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Solution
The fourth proportional to 3,903,326.62, 5,389,897.34 and 2,453,488.99 is: 3,387,893.22
Step by Step Solution
- Step 1: Write the proportion equation
3,903,326.62 : 5,389,897.34 = 2,453,488.99 : x - Step 2: Convert to fraction form
3,903,326.62/5,389,897.34 = 2,453,488.99/x - Step 3: Cross multiply
3,903,326.62x = 5,389,897.34 × 2,453,488.99 - Step 4: Simplify right side
3,903,326.62x = 13,224,053,773,579.27 - Step 5: Solve for x
x = 13,224,053,773,579.27/3,903,326.62 - Step 6: Final answer
x = 3,387,893.22
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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.