Finding the Fourth Proportional to 5,775,860.59, 7,970,371.55 and 3,161,859.13
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Solution
The fourth proportional to 5,775,860.59, 7,970,371.55 and 3,161,859.13 is: 4,363,192.58
Step by Step Solution
- Step 1: Write the proportion equation
5,775,860.59 : 7,970,371.55 = 3,161,859.13 : x - Step 2: Convert to fraction form
5,775,860.59/7,970,371.55 = 3,161,859.13/x - Step 3: Cross multiply
5,775,860.59x = 7,970,371.55 × 3,161,859.13 - Step 4: Simplify right side
5,775,860.59x = 25,201,192,060,870.39 - Step 5: Solve for x
x = 25,201,192,060,870.39/5,775,860.59 - Step 6: Final answer
x = 4,363,192.58
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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.