Finding the Fourth Proportional to 3,084,385.68, 4,627,685.39 and 1,378,386.09
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Solution
The fourth proportional to 3,084,385.68, 4,627,685.39 and 1,378,386.09 is: 2,068,073.78
Step by Step Solution
- Step 1: Write the proportion equation
3,084,385.68 : 4,627,685.39 = 1,378,386.09 : x - Step 2: Convert to fraction form
3,084,385.68/4,627,685.39 = 1,378,386.09/x - Step 3: Cross multiply
3,084,385.68x = 4,627,685.39 × 1,378,386.09 - Step 4: Simplify right side
3,084,385.68x = 6,378,737,163,580.30 - Step 5: Solve for x
x = 6,378,737,163,580.30/3,084,385.68 - Step 6: Final answer
x = 2,068,073.78
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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.