Finding the Fourth Proportional to 5,555,409.54, 7,666,762.98 and 3,107,874.62
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Solution
The fourth proportional to 5,555,409.54, 7,666,762.98 and 3,107,874.62 is: 4,289,033.59
Step by Step Solution
- Step 1: Write the proportion equation
5,555,409.54 : 7,666,762.98 = 3,107,874.62 : x - Step 2: Convert to fraction form
5,555,409.54/7,666,762.98 = 3,107,874.62/x - Step 3: Cross multiply
5,555,409.54x = 7,666,762.98 × 3,107,874.62 - Step 4: Simplify right side
5,555,409.54x = 23,827,338,109,548.71 - Step 5: Solve for x
x = 23,827,338,109,548.71/5,555,409.54 - Step 6: Final answer
x = 4,289,033.59
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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.