Finding the Fourth Proportional to 1,772,893.20, 2,657,881.80 and 762,790.80
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Solution
The fourth proportional to 1,772,893.20, 2,657,881.80 and 762,790.80 is: 1,143,558.89
Step by Step Solution
- Step 1: Write the proportion equation
1,772,893.20 : 2,657,881.80 = 762,790.80 : x - Step 2: Convert to fraction form
1,772,893.20/2,657,881.80 = 762,790.80/x - Step 3: Cross multiply
1,772,893.20x = 2,657,881.80 × 762,790.80 - Step 4: Simplify right side
1,772,893.20x = 2,027,407,784,527.44 - Step 5: Solve for x
x = 2,027,407,784,527.44/1,772,893.20 - Step 6: Final answer
x = 1,143,558.89
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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.