Finding the Fourth Proportional to 1,531,269.17, 2,297,386.49 and 721,620.88
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Solution
The fourth proportional to 1,531,269.17, 2,297,386.49 and 721,620.88 is: 1,082,658.81
Step by Step Solution
- Step 1: Write the proportion equation
1,531,269.17 : 2,297,386.49 = 721,620.88 : x - Step 2: Convert to fraction form
1,531,269.17/2,297,386.49 = 721,620.88/x - Step 3: Cross multiply
1,531,269.17x = 2,297,386.49 × 721,620.88 - Step 4: Simplify right side
1,531,269.17x = 1,657,842,056,674.50 - Step 5: Solve for x
x = 1,657,842,056,674.50/1,531,269.17 - Step 6: Final answer
x = 1,082,658.81
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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.