Finding the Fourth Proportional to 5,027,628.80, 6,938,142.72 and 2,735,790.08
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Solution
The fourth proportional to 5,027,628.80, 6,938,142.72 and 2,735,790.08 is: 3,775,398.46
Step by Step Solution
- Step 1: Write the proportion equation
5,027,628.80 : 6,938,142.72 = 2,735,790.08 : x - Step 2: Convert to fraction form
5,027,628.80/6,938,142.72 = 2,735,790.08/x - Step 3: Cross multiply
5,027,628.80x = 6,938,142.72 × 2,735,790.08 - Step 4: Simplify right side
5,027,628.80x = 18,981,302,027,000.22 - Step 5: Solve for x
x = 18,981,302,027,000.22/5,027,628.80 - Step 6: Final answer
x = 3,775,398.46
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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.