Finding the Fourth Proportional to 2,415,032.72, 3,332,674.93 and 1,382,505.68
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Solution
The fourth proportional to 2,415,032.72, 3,332,674.93 and 1,382,505.68 is: 1,907,817.64
Step by Step Solution
- Step 1: Write the proportion equation
2,415,032.72 : 3,332,674.93 = 1,382,505.68 : x - Step 2: Convert to fraction form
2,415,032.72/3,332,674.93 = 1,382,505.68/x - Step 3: Cross multiply
2,415,032.72x = 3,332,674.93 × 1,382,505.68 - Step 4: Simplify right side
2,415,032.72x = 4,607,442,020,318.60 - Step 5: Solve for x
x = 4,607,442,020,318.60/2,415,032.72 - Step 6: Final answer
x = 1,907,817.64
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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.