Finding the Fourth Proportional to 3,163,331.75, 4,365,400.19 and 1,713,028.78
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Solution
The fourth proportional to 3,163,331.75, 4,365,400.19 and 1,713,028.78 is: 2,363,980.99
Step by Step Solution
- Step 1: Write the proportion equation
3,163,331.75 : 4,365,400.19 = 1,713,028.78 : x - Step 2: Convert to fraction form
3,163,331.75/4,365,400.19 = 1,713,028.78/x - Step 3: Cross multiply
3,163,331.75x = 4,365,400.19 × 1,713,028.78 - Step 4: Simplify right side
3,163,331.75x = 7,478,056,142,208.82 - Step 5: Solve for x
x = 7,478,056,142,208.82/3,163,331.75 - Step 6: Final answer
x = 2,363,980.99
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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.