Finding the Fourth Proportional to 3,855,343.68, 5,320,404 and 2,136,492
Calculator
Solution
The fourth proportional to 3,855,343.68, 5,320,404 and 2,136,492 is: 2,948,375.43
Step by Step Solution
- Step 1: Write the proportion equation
3,855,343.68 : 5,320,404 = 2,136,492 : x - Step 2: Convert to fraction form
3,855,343.68/5,320,404 = 2,136,492/x - Step 3: Cross multiply
3,855,343.68x = 5,320,404 × 2,136,492 - Step 4: Simplify right side
3,855,343.68x = 11,367,000,582,768 - Step 5: Solve for x
x = 11,367,000,582,768/3,855,343.68 - Step 6: Final answer
x = 2,948,375.43
Related Problems
Find fourth proportional to 1,927,671.84, 2,660,202 and 1,068,246
Half scale
Find fourth proportional to 7,710,687.36, 10,640,808 and 4,272,984
Double scale
Find fourth proportional to 3,855,344.68, 5,320,405.38 and 2,136,493
Similar ratio
Find fourth proportional to 5,783,015.52, 7,980,606 and 3,204,738
1.5x scale
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.