Finding the Fourth Proportional to 4,794,307.92, 6,616,167.48 and 2,618,881.20
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Solution
The fourth proportional to 4,794,307.92, 6,616,167.48 and 2,618,881.20 is: 3,614,068.37
Step by Step Solution
- Step 1: Write the proportion equation
4,794,307.92 : 6,616,167.48 = 2,618,881.20 : x - Step 2: Convert to fraction form
4,794,307.92/6,616,167.48 = 2,618,881.20/x - Step 3: Cross multiply
4,794,307.92x = 6,616,167.48 × 2,618,881.20 - Step 4: Simplify right side
4,794,307.92x = 17,326,956,629,423.38 - Step 5: Solve for x
x = 17,326,956,629,423.38/4,794,307.92 - Step 6: Final answer
x = 3,614,068.37
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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.