Finding the Fourth Proportional to 1,680,969.16, 2,319,420.18 and 1,001,968.84
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Solution
The fourth proportional to 1,680,969.16, 2,319,420.18 and 1,001,968.84 is: 1,382,527.89
Step by Step Solution
- Step 1: Write the proportion equation
1,680,969.16 : 2,319,420.18 = 1,001,968.84 : x - Step 2: Convert to fraction form
1,680,969.16/2,319,420.18 = 1,001,968.84/x - Step 3: Cross multiply
1,680,969.16x = 2,319,420.18 × 1,001,968.84 - Step 4: Simplify right side
1,680,969.16x = 2,323,986,747,227.19 - Step 5: Solve for x
x = 2,323,986,747,227.19/1,680,969.16 - Step 6: Final answer
x = 1,382,527.89
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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.