Finding the Fourth Proportional to 2,658,642.68, 3,659,690.76 and 2,318,520.44
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Solution
The fourth proportional to 2,658,642.68, 3,659,690.76 and 2,318,520.44 is: 3,191,503.66
Step by Step Solution
- Step 1: Write the proportion equation
2,658,642.68 : 3,659,690.76 = 2,318,520.44 : x - Step 2: Convert to fraction form
2,658,642.68/3,659,690.76 = 2,318,520.44/x - Step 3: Cross multiply
2,658,642.68x = 3,659,690.76 × 2,318,520.44 - Step 4: Simplify right side
2,658,642.68x = 8,485,067,831,139.13 - Step 5: Solve for x
x = 8,485,067,831,139.13/2,658,642.68 - Step 6: Final answer
x = 3,191,503.66
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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.