Finding the Fourth Proportional to 4,742,601.42, 7,114,580.74 and 1,460,233.62
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Solution
The fourth proportional to 4,742,601.42, 7,114,580.74 and 1,460,233.62 is: 2,190,559.37
Step by Step Solution
- Step 1: Write the proportion equation
4,742,601.42 : 7,114,580.74 = 1,460,233.62 : x - Step 2: Convert to fraction form
4,742,601.42/7,114,580.74 = 1,460,233.62/x - Step 3: Cross multiply
4,742,601.42x = 7,114,580.74 × 1,460,233.62 - Step 4: Simplify right side
4,742,601.42x = 10,388,949,988,752.48 - Step 5: Solve for x
x = 10,388,949,988,752.48/4,742,601.42 - Step 6: Final answer
x = 2,190,559.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.