Finding the Fourth Proportional to 1,921,565.02, 2,651,813.28 and 1,062,180.53
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Solution
The fourth proportional to 1,921,565.02, 2,651,813.28 and 1,062,180.53 is: 1,465,838.74
Step by Step Solution
- Step 1: Write the proportion equation
1,921,565.02 : 2,651,813.28 = 1,062,180.53 : x - Step 2: Convert to fraction form
1,921,565.02/2,651,813.28 = 1,062,180.53/x - Step 3: Cross multiply
1,921,565.02x = 2,651,813.28 × 1,062,180.53 - Step 4: Simplify right side
1,921,565.02x = 2,816,704,435,211.44 - Step 5: Solve for x
x = 2,816,704,435,211.44/1,921,565.02 - Step 6: Final answer
x = 1,465,838.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.