Finding the Fourth Proportional to 3,148,983.30, 4,716,476.55 and 2,436,701.70
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Solution
The fourth proportional to 3,148,983.30, 4,716,476.55 and 2,436,701.70 is: 3,649,637.15
Step by Step Solution
- Step 1: Write the proportion equation
3,148,983.30 : 4,716,476.55 = 2,436,701.70 : x - Step 2: Convert to fraction form
3,148,983.30/4,716,476.55 = 2,436,701.70/x - Step 3: Cross multiply
3,148,983.30x = 4,716,476.55 × 2,436,701.70 - Step 4: Simplify right side
3,148,983.30x = 11,492,646,427,395.13 - Step 5: Solve for x
x = 11,492,646,427,395.13/3,148,983.30 - Step 6: Final answer
x = 3,649,637.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.