Finding the Fourth Proportional to 3,259,274.14, 4,498,008.51 and 1,808,969.68
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Solution
The fourth proportional to 3,259,274.14, 4,498,008.51 and 1,808,969.68 is: 2,496,494.82
Step by Step Solution
- Step 1: Write the proportion equation
3,259,274.14 : 4,498,008.51 = 1,808,969.68 : x - Step 2: Convert to fraction form
3,259,274.14/4,498,008.51 = 1,808,969.68/x - Step 3: Cross multiply
3,259,274.14x = 4,498,008.51 × 1,808,969.68 - Step 4: Simplify right side
3,259,274.14x = 8,136,761,014,971.98 - Step 5: Solve for x
x = 8,136,761,014,971.98/3,259,274.14 - Step 6: Final answer
x = 2,496,494.82
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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.