Finding the Fourth Proportional to 1,936,482.88, 2,672,159.16 and 1,120,523.80
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Solution
The fourth proportional to 1,936,482.88, 2,672,159.16 and 1,120,523.80 is: 1,546,214.51
Step by Step Solution
- Step 1: Write the proportion equation
1,936,482.88 : 2,672,159.16 = 1,120,523.80 : x - Step 2: Convert to fraction form
1,936,482.88/2,672,159.16 = 1,120,523.80/x - Step 3: Cross multiply
1,936,482.88x = 2,672,159.16 × 1,120,523.80 - Step 4: Simplify right side
1,936,482.88x = 2,994,217,936,168.01 - Step 5: Solve for x
x = 2,994,217,936,168.01/1,936,482.88 - Step 6: Final answer
x = 1,546,214.51
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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.