Finding the Fourth Proportional to 7,976,566.97, 11,962,340.61 and 2,583,966.24
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Solution
The fourth proportional to 7,976,566.97, 11,962,340.61 and 2,583,966.24 is: 3,875,136.31
Step by Step Solution
- Step 1: Write the proportion equation
7,976,566.97 : 11,962,340.61 = 2,583,966.24 : x - Step 2: Convert to fraction form
7,976,566.97/11,962,340.61 = 2,583,966.24/x - Step 3: Cross multiply
7,976,566.97x = 11,962,340.61 × 2,583,966.24 - Step 4: Simplify right side
7,976,566.97x = 30,910,284,287,621.01 - Step 5: Solve for x
x = 30,910,284,287,621.01/7,976,566.97 - Step 6: Final answer
x = 3,875,136.31
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1.5x scale
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.