Finding the Fourth Proportional to 5,643,737.69, 8,465,782.10 and 2,685,372.53
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Solution
The fourth proportional to 5,643,737.69, 8,465,782.10 and 2,685,372.53 is: 4,028,142.33
Step by Step Solution
- Step 1: Write the proportion equation
5,643,737.69 : 8,465,782.10 = 2,685,372.53 : x - Step 2: Convert to fraction form
5,643,737.69/8,465,782.10 = 2,685,372.53/x - Step 3: Cross multiply
5,643,737.69x = 8,465,782.10 × 2,685,372.53 - Step 4: Simplify right side
5,643,737.69x = 22,733,778,640,549.94 - Step 5: Solve for x
x = 22,733,778,640,549.94/5,643,737.69 - Step 6: Final answer
x = 4,028,142.33
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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.