Finding the Fourth Proportional to 1,863,784.40, 2,791,578.65 and 1,540,269.68
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Solution
The fourth proportional to 1,863,784.40, 2,791,578.65 and 1,540,269.68 is: 2,307,017.88
Step by Step Solution
- Step 1: Write the proportion equation
1,863,784.40 : 2,791,578.65 = 1,540,269.68 : x - Step 2: Convert to fraction form
1,863,784.40/2,791,578.65 = 1,540,269.68/x - Step 3: Cross multiply
1,863,784.40x = 2,791,578.65 × 1,540,269.68 - Step 4: Simplify right side
1,863,784.40x = 4,299,783,932,271.09 - Step 5: Solve for x
x = 4,299,783,932,271.09/1,863,784.40 - Step 6: Final answer
x = 2,307,017.88
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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.