Finding the Fourth Proportional to 1,531,281.93, 2,297,405.63 and 721,633.65
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Solution
The fourth proportional to 1,531,281.93, 2,297,405.63 and 721,633.65 is: 1,082,677.97
Step by Step Solution
- Step 1: Write the proportion equation
1,531,281.93 : 2,297,405.63 = 721,633.65 : x - Step 2: Convert to fraction form
1,531,281.93/2,297,405.63 = 721,633.65/x - Step 3: Cross multiply
1,531,281.93x = 2,297,405.63 × 721,633.65 - Step 4: Simplify right side
1,531,281.93x = 1,657,885,206,699.28 - Step 5: Solve for x
x = 1,657,885,206,699.28/1,531,281.93 - Step 6: Final answer
x = 1,082,677.97
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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.