Finding the Fourth Proportional to 1,398,543.97, 2,097,608.35 and 387,560.52
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Solution
The fourth proportional to 1,398,543.97, 2,097,608.35 and 387,560.52 is: 581,283.25
Step by Step Solution
- Step 1: Write the proportion equation
1,398,543.97 : 2,097,608.35 = 387,560.52 : x - Step 2: Convert to fraction form
1,398,543.97/2,097,608.35 = 387,560.52/x - Step 3: Cross multiply
1,398,543.97x = 2,097,608.35 × 387,560.52 - Step 4: Simplify right side
1,398,543.97x = 812,950,180,944.54 - Step 5: Solve for x
x = 812,950,180,944.54/1,398,543.97 - Step 6: Final answer
x = 581,283.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.