Finding the Fourth Proportional to 3,645,572.74, 5,463,602.79 and 2,638,088.26
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Solution
The fourth proportional to 3,645,572.74, 5,463,602.79 and 2,638,088.26 is: 3,953,690.52
Step by Step Solution
- Step 1: Write the proportion equation
3,645,572.74 : 5,463,602.79 = 2,638,088.26 : x - Step 2: Convert to fraction form
3,645,572.74/5,463,602.79 = 2,638,088.26/x - Step 3: Cross multiply
3,645,572.74x = 5,463,602.79 × 2,638,088.26 - Step 4: Simplify right side
3,645,572.74x = 14,413,466,377,602.24 - Step 5: Solve for x
x = 14,413,466,377,602.24/3,645,572.74 - Step 6: Final answer
x = 3,953,690.52
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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.