Finding the Fourth Proportional to 1,381,497.68, 1,906,424.70 and 769,650.14
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Solution
The fourth proportional to 1,381,497.68, 1,906,424.70 and 769,650.14 is: 1,062,093.74
Step by Step Solution
- Step 1: Write the proportion equation
1,381,497.68 : 1,906,424.70 = 769,650.14 : x - Step 2: Convert to fraction form
1,381,497.68/1,906,424.70 = 769,650.14/x - Step 3: Cross multiply
1,381,497.68x = 1,906,424.70 × 769,650.14 - Step 4: Simplify right side
1,381,497.68x = 1,467,280,037,254.46 - Step 5: Solve for x
x = 1,467,280,037,254.46/1,381,497.68 - Step 6: Final answer
x = 1,062,093.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.