Finding the Fourth Proportional to 2,993,651.70, 4,490,477.55 and 2,639,357.70
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Solution
The fourth proportional to 2,993,651.70, 4,490,477.55 and 2,639,357.70 is: 3,959,036.55
Step by Step Solution
- Step 1: Write the proportion equation
2,993,651.70 : 4,490,477.55 = 2,639,357.70 : x - Step 2: Convert to fraction form
2,993,651.70/4,490,477.55 = 2,639,357.70/x - Step 3: Cross multiply
2,993,651.70x = 4,490,477.55 × 2,639,357.70 - Step 4: Simplify right side
2,993,651.70x = 11,851,976,498,269.63 - Step 5: Solve for x
x = 11,851,976,498,269.63/2,993,651.70 - Step 6: Final answer
x = 3,959,036.55
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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.