Finding the Fourth Proportional to 4,816,677.85, 6,647,012.13 and 2,641,258.06
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Solution
The fourth proportional to 4,816,677.85, 6,647,012.13 and 2,641,258.06 is: 3,644,934.31
Step by Step Solution
- Step 1: Write the proportion equation
4,816,677.85 : 6,647,012.13 = 2,641,258.06 : x - Step 2: Convert to fraction form
4,816,677.85/6,647,012.13 = 2,641,258.06/x - Step 3: Cross multiply
4,816,677.85x = 6,647,012.13 × 2,641,258.06 - Step 4: Simplify right side
4,816,677.85x = 17,556,474,363,280.27 - Step 5: Solve for x
x = 17,556,474,363,280.27/4,816,677.85 - Step 6: Final answer
x = 3,644,934.31
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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.