Finding the Fourth Proportional to 4,157,599.60, 6,235,816.20 and 1,317,998.80
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Solution
The fourth proportional to 4,157,599.60, 6,235,816.20 and 1,317,998.80 is: 1,976,813.32
Step by Step Solution
- Step 1: Write the proportion equation
4,157,599.60 : 6,235,816.20 = 1,317,998.80 : x - Step 2: Convert to fraction form
4,157,599.60/6,235,816.20 = 1,317,998.80/x - Step 3: Cross multiply
4,157,599.60x = 6,235,816.20 × 1,317,998.80 - Step 4: Simplify right side
4,157,599.60x = 8,218,798,268,620.56 - Step 5: Solve for x
x = 8,218,798,268,620.56/4,157,599.60 - Step 6: Final answer
x = 1,976,813.32
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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.