Finding the Fourth Proportional to 3,726,707.90, 5,142,825.97 and 2,095,122.53
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Solution
The fourth proportional to 3,726,707.90, 5,142,825.97 and 2,095,122.53 is: 2,891,251.69
Step by Step Solution
- Step 1: Write the proportion equation
3,726,707.90 : 5,142,825.97 = 2,095,122.53 : x - Step 2: Convert to fraction form
3,726,707.90/5,142,825.97 = 2,095,122.53/x - Step 3: Cross multiply
3,726,707.90x = 5,142,825.97 × 2,095,122.53 - Step 4: Simplify right side
3,726,707.90x = 10,774,850,521,426.36 - Step 5: Solve for x
x = 10,774,850,521,426.36/3,726,707.90 - Step 6: Final answer
x = 2,891,251.69
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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.