Finding the Fourth Proportional to 3,658,112.77, 5,047,283.64 and 2,109,847.99
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Solution
The fourth proportional to 3,658,112.77, 5,047,283.64 and 2,109,847.99 is: 2,911,064.23
Step by Step Solution
- Step 1: Write the proportion equation
3,658,112.77 : 5,047,283.64 = 2,109,847.99 : x - Step 2: Convert to fraction form
3,658,112.77/5,047,283.64 = 2,109,847.99/x - Step 3: Cross multiply
3,658,112.77x = 5,047,283.64 × 2,109,847.99 - Step 4: Simplify right side
3,658,112.77x = 10,649,001,242,813.88 - Step 5: Solve for x
x = 10,649,001,242,813.88/3,658,112.77 - Step 6: Final answer
x = 2,911,064.23
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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.