Finding the Fourth Proportional to 4,638,376, 6,401,261.64 and 2,678,336.80
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Solution
The fourth proportional to 4,638,376, 6,401,261.64 and 2,678,336.80 is: 3,696,279.61
Step by Step Solution
- Step 1: Write the proportion equation
4,638,376 : 6,401,261.64 = 2,678,336.80 : x - Step 2: Convert to fraction form
4,638,376/6,401,261.64 = 2,678,336.80/x - Step 3: Cross multiply
4,638,376x = 6,401,261.64 × 2,678,336.80 - Step 4: Simplify right side
4,638,376x = 17,144,734,616,840.35 - Step 5: Solve for x
x = 17,144,734,616,840.35/4,638,376 - Step 6: Final answer
x = 3,696,279.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.