Finding the Fourth Proportional to 4,298,388.57, 5,927,704.92 and 2,750,140.20
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Solution
The fourth proportional to 4,298,388.57, 5,927,704.92 and 2,750,140.20 is: 3,792,588.62
Step by Step Solution
- Step 1: Write the proportion equation
4,298,388.57 : 5,927,704.92 = 2,750,140.20 : x - Step 2: Convert to fraction form
4,298,388.57/5,927,704.92 = 2,750,140.20/x - Step 3: Cross multiply
4,298,388.57x = 5,927,704.92 × 2,750,140.20 - Step 4: Simplify right side
4,298,388.57x = 16,302,019,594,229.79 - Step 5: Solve for x
x = 16,302,019,594,229.79/4,298,388.57 - Step 6: Final answer
x = 3,792,588.62
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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.