Finding the Fourth Proportional to 3,023,556.60, 4,172,472.34 and 1,646,895.99
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Solution
The fourth proportional to 3,023,556.60, 4,172,472.34 and 1,646,895.99 is: 2,272,696.98
Step by Step Solution
- Step 1: Write the proportion equation
3,023,556.60 : 4,172,472.34 = 1,646,895.99 : x - Step 2: Convert to fraction form
3,023,556.60/4,172,472.34 = 1,646,895.99/x - Step 3: Cross multiply
3,023,556.60x = 4,172,472.34 × 1,646,895.99 - Step 4: Simplify right side
3,023,556.60x = 6,871,627,965,131.92 - Step 5: Solve for x
x = 6,871,627,965,131.92/3,023,556.60 - Step 6: Final answer
x = 2,272,696.98
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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.