Finding the Fourth Proportional to 1,692,906.48, 2,336,207.61 and 918,537.06
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Solution
The fourth proportional to 1,692,906.48, 2,336,207.61 and 918,537.06 is: 1,267,579.33
Step by Step Solution
- Step 1: Write the proportion equation
1,692,906.48 : 2,336,207.61 = 918,537.06 : x - Step 2: Convert to fraction form
1,692,906.48/2,336,207.61 = 918,537.06/x - Step 3: Cross multiply
1,692,906.48x = 2,336,207.61 × 918,537.06 - Step 4: Simplify right side
1,692,906.48x = 2,145,893,269,639.03 - Step 5: Solve for x
x = 2,145,893,269,639.03/1,692,906.48 - Step 6: Final answer
x = 1,267,579.33
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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.