Finding the Fourth Proportional to 2,157,675.12, 3,235,511.52 and 1,259,375.40
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Solution
The fourth proportional to 2,157,675.12, 3,235,511.52 and 1,259,375.40 is: 1,888,478.75
Step by Step Solution
- Step 1: Write the proportion equation
2,157,675.12 : 3,235,511.52 = 1,259,375.40 : x - Step 2: Convert to fraction form
2,157,675.12/3,235,511.52 = 1,259,375.40/x - Step 3: Cross multiply
2,157,675.12x = 3,235,511.52 × 1,259,375.40 - Step 4: Simplify right side
2,157,675.12x = 4,074,723,614,704.61 - Step 5: Solve for x
x = 4,074,723,614,704.61/2,157,675.12 - Step 6: Final answer
x = 1,888,478.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.