Finding the Fourth Proportional to 1,645,654.68, 2,271,213.54 and 920,542.68
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Solution
The fourth proportional to 1,645,654.68, 2,271,213.54 and 920,542.68 is: 1,270,466.41
Step by Step Solution
- Step 1: Write the proportion equation
1,645,654.68 : 2,271,213.54 = 920,542.68 : x - Step 2: Convert to fraction form
1,645,654.68/2,271,213.54 = 920,542.68/x - Step 3: Cross multiply
1,645,654.68x = 2,271,213.54 × 920,542.68 - Step 4: Simplify right side
1,645,654.68x = 2,090,748,998,963.89 - Step 5: Solve for x
x = 2,090,748,998,963.89/1,645,654.68 - Step 6: Final answer
x = 1,270,466.41
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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.