Finding the Fourth Proportional to 2,104,508.85, 2,903,560.40 and 1,287,861.18
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Solution
The fourth proportional to 2,104,508.85, 2,903,560.40 and 1,287,861.18 is: 1,776,843.43
Step by Step Solution
- Step 1: Write the proportion equation
2,104,508.85 : 2,903,560.40 = 1,287,861.18 : x - Step 2: Convert to fraction form
2,104,508.85/2,903,560.40 = 1,287,861.18/x - Step 3: Cross multiply
2,104,508.85x = 2,903,560.40 × 1,287,861.18 - Step 4: Simplify right side
2,104,508.85x = 3,739,382,726,164.93 - Step 5: Solve for x
x = 3,739,382,726,164.93/2,104,508.85 - Step 6: Final answer
x = 1,776,843.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.