Finding the Fourth Proportional to 3,177,802.94, 4,385,396.57 and 1,727,501.18
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Solution
The fourth proportional to 3,177,802.94, 4,385,396.57 and 1,727,501.18 is: 2,383,967.12
Step by Step Solution
- Step 1: Write the proportion equation
3,177,802.94 : 4,385,396.57 = 1,727,501.18 : x - Step 2: Convert to fraction form
3,177,802.94/4,385,396.57 = 1,727,501.18/x - Step 3: Cross multiply
3,177,802.94x = 4,385,396.57 × 1,727,501.18 - Step 4: Simplify right side
3,177,802.94x = 7,575,777,718,878.47 - Step 5: Solve for x
x = 7,575,777,718,878.47/3,177,802.94 - Step 6: Final answer
x = 2,383,967.12
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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.