Finding the Fourth Proportional to 2,788,861.80, 4,183,292.70 and 2,434,567.80
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Solution
The fourth proportional to 2,788,861.80, 4,183,292.70 and 2,434,567.80 is: 3,651,851.70
Step by Step Solution
- Step 1: Write the proportion equation
2,788,861.80 : 4,183,292.70 = 2,434,567.80 : x - Step 2: Convert to fraction form
2,788,861.80/4,183,292.70 = 2,434,567.80/x - Step 3: Cross multiply
2,788,861.80x = 4,183,292.70 × 2,434,567.80 - Step 4: Simplify right side
2,788,861.80x = 10,184,509,705,395.06 - Step 5: Solve for x
x = 10,184,509,705,395.06/2,788,861.80 - Step 6: Final answer
x = 3,651,851.70
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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.