Finding the Fourth Proportional to 1,531,270.17, 2,297,387.99 and 721,621.88
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Solution
The fourth proportional to 1,531,270.17, 2,297,387.99 and 721,621.88 is: 1,082,660.31
Step by Step Solution
- Step 1: Write the proportion equation
1,531,270.17 : 2,297,387.99 = 721,621.88 : x - Step 2: Convert to fraction form
1,531,270.17/2,297,387.99 = 721,621.88/x - Step 3: Cross multiply
1,531,270.17x = 2,297,387.99 × 721,621.88 - Step 4: Simplify right side
1,531,270.17x = 1,657,845,440,433.22 - Step 5: Solve for x
x = 1,657,845,440,433.22/1,531,270.17 - Step 6: Final answer
x = 1,082,660.31
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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.