Finding the Fourth Proportional to 4,647,268.60, 6,413,730.40 and 2,812,736.48
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Solution
The fourth proportional to 4,647,268.60, 6,413,730.40 and 2,812,736.48 is: 3,881,878.80
Step by Step Solution
- Step 1: Write the proportion equation
4,647,268.60 : 6,413,730.40 = 2,812,736.48 : x - Step 2: Convert to fraction form
4,647,268.60/6,413,730.40 = 2,812,736.48/x - Step 3: Cross multiply
4,647,268.60x = 6,413,730.40 × 2,812,736.48 - Step 4: Simplify right side
4,647,268.60x = 18,040,133,468,964.99 - Step 5: Solve for x
x = 18,040,133,468,964.99/4,647,268.60 - Step 6: Final answer
x = 3,881,878.80
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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.