Finding the Fourth Proportional to 1,458,412.70, 2,187,604.65 and 461,140.70
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Solution
The fourth proportional to 1,458,412.70, 2,187,604.65 and 461,140.70 is: 691,706.50
Step by Step Solution
- Step 1: Write the proportion equation
1,458,412.70 : 2,187,604.65 = 461,140.70 : x - Step 2: Convert to fraction form
1,458,412.70/2,187,604.65 = 461,140.70/x - Step 3: Cross multiply
1,458,412.70x = 2,187,604.65 × 461,140.70 - Step 4: Simplify right side
1,458,412.70x = 1,008,793,539,624.26 - Step 5: Solve for x
x = 1,008,793,539,624.26/1,458,412.70 - Step 6: Final answer
x = 691,706.50
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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.