Finding the Fourth Proportional to 5,127,880.48, 7,078,653.97 and 3,195,095.99
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Solution
The fourth proportional to 5,127,880.48, 7,078,653.97 and 3,195,095.99 is: 4,410,590.11
Step by Step Solution
- Step 1: Write the proportion equation
5,127,880.48 : 7,078,653.97 = 3,195,095.99 : x - Step 2: Convert to fraction form
5,127,880.48/7,078,653.97 = 3,195,095.99/x - Step 3: Cross multiply
5,127,880.48x = 7,078,653.97 × 3,195,095.99 - Step 4: Simplify right side
5,127,880.48x = 22,616,978,898,169.10 - Step 5: Solve for x
x = 22,616,978,898,169.10/5,127,880.48 - Step 6: Final answer
x = 4,410,590.11
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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.