Finding the Fourth Proportional to 4,647,975.48, 6,413,155.26 and 2,812,388.10
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Solution
The fourth proportional to 4,647,975.48, 6,413,155.26 and 2,812,388.10 is: 3,880,459.70
Step by Step Solution
- Step 1: Write the proportion equation
4,647,975.48 : 6,413,155.26 = 2,812,388.10 : x - Step 2: Convert to fraction form
4,647,975.48/6,413,155.26 = 2,812,388.10/x - Step 3: Cross multiply
4,647,975.48x = 6,413,155.26 × 2,812,388.10 - Step 4: Simplify right side
4,647,975.48x = 18,036,281,536,676.41 - Step 5: Solve for x
x = 18,036,281,536,676.41/4,647,975.48 - Step 6: Final answer
x = 3,880,459.70
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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.