Finding the Fourth Proportional to 3,798,862.93, 5,242,429.92 and 2,079,982.99
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Solution
The fourth proportional to 3,798,862.93, 5,242,429.92 and 2,079,982.99 is: 2,870,376.02
Step by Step Solution
- Step 1: Write the proportion equation
3,798,862.93 : 5,242,429.92 = 2,079,982.99 : x - Step 2: Convert to fraction form
3,798,862.93/5,242,429.92 = 2,079,982.99/x - Step 3: Cross multiply
3,798,862.93x = 5,242,429.92 × 2,079,982.99 - Step 4: Simplify right side
3,798,862.93x = 10,904,165,059,867.06 - Step 5: Solve for x
x = 10,904,165,059,867.06/3,798,862.93 - Step 6: Final answer
x = 2,870,376.02
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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.