Finding the Fourth Proportional to 1,578,374.70, 2,367,734.85 and 1,528,608.30
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Solution
The fourth proportional to 1,578,374.70, 2,367,734.85 and 1,528,608.30 is: 2,293,079.80
Step by Step Solution
- Step 1: Write the proportion equation
1,578,374.70 : 2,367,734.85 = 1,528,608.30 : x - Step 2: Convert to fraction form
1,578,374.70/2,367,734.85 = 1,528,608.30/x - Step 3: Cross multiply
1,578,374.70x = 2,367,734.85 × 1,528,608.30 - Step 4: Simplify right side
1,578,374.70x = 3,619,339,143,909.26 - Step 5: Solve for x
x = 3,619,339,143,909.26/1,578,374.70 - Step 6: Final answer
x = 2,293,079.80
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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.