Finding the Fourth Proportional to 3,638,408.08, 5,456,431.17 and 1,208,908.87
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Solution
The fourth proportional to 3,638,408.08, 5,456,431.17 and 1,208,908.87 is: 1,812,970.92
Step by Step Solution
- Step 1: Write the proportion equation
3,638,408.08 : 5,456,431.17 = 1,208,908.87 : x - Step 2: Convert to fraction form
3,638,408.08/5,456,431.17 = 1,208,908.87/x - Step 3: Cross multiply
3,638,408.08x = 5,456,431.17 × 1,208,908.87 - Step 4: Simplify right side
3,638,408.08x = 6,596,328,039,957.48 - Step 5: Solve for x
x = 6,596,328,039,957.48/3,638,408.08 - Step 6: Final answer
x = 1,812,970.92
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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.