Finding the Fourth Proportional to 3,580,816.56, 5,371,281.68 and 1,993,468.74
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Solution
The fourth proportional to 3,580,816.56, 5,371,281.68 and 1,993,468.74 is: 2,990,234.75
Step by Step Solution
- Step 1: Write the proportion equation
3,580,816.56 : 5,371,281.68 = 1,993,468.74 : x - Step 2: Convert to fraction form
3,580,816.56/5,371,281.68 = 1,993,468.74/x - Step 3: Cross multiply
3,580,816.56x = 5,371,281.68 × 1,993,468.74 - Step 4: Simplify right side
3,580,816.56x = 10,707,482,112,847.34 - Step 5: Solve for x
x = 10,707,482,112,847.34/3,580,816.56 - Step 6: Final answer
x = 2,990,234.75
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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.