Finding the Fourth Proportional to 6,245,694.87, 8,618,395.37 and 3,454,374.57
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Solution
The fourth proportional to 6,245,694.87, 8,618,395.37 and 3,454,374.57 is: 4,766,669.90
Step by Step Solution
- Step 1: Write the proportion equation
6,245,694.87 : 8,618,395.37 = 3,454,374.57 : x - Step 2: Convert to fraction form
6,245,694.87/8,618,395.37 = 3,454,374.57/x - Step 3: Cross multiply
6,245,694.87x = 8,618,395.37 × 3,454,374.57 - Step 4: Simplify right side
6,245,694.87x = 29,771,165,763,696.79 - Step 5: Solve for x
x = 29,771,165,763,696.79/6,245,694.87 - Step 6: Final answer
x = 4,766,669.90
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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.