Finding the Fourth Proportional to 1,926,409.20, 2,658,438.12 and 1,066,969.23
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Solution
The fourth proportional to 1,926,409.20, 2,658,438.12 and 1,066,969.23 is: 1,472,413.90
Step by Step Solution
- Step 1: Write the proportion equation
1,926,409.20 : 2,658,438.12 = 1,066,969.23 : x - Step 2: Convert to fraction form
1,926,409.20/2,658,438.12 = 1,066,969.23/x - Step 3: Cross multiply
1,926,409.20x = 2,658,438.12 × 1,066,969.23 - Step 4: Simplify right side
1,926,409.20x = 2,836,471,673,899.05 - Step 5: Solve for x
x = 2,836,471,673,899.05/1,926,409.20 - Step 6: Final answer
x = 1,472,413.90
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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.