Finding the Fourth Proportional to 3,440,569.36, 4,748,147.76 and 1,912,702
Calculator
Solution
The fourth proportional to 3,440,569.36, 4,748,147.76 and 1,912,702 is: 2,639,618.84
Step by Step Solution
- Step 1: Write the proportion equation
3,440,569.36 : 4,748,147.76 = 1,912,702 : x - Step 2: Convert to fraction form
3,440,569.36/4,748,147.76 = 1,912,702/x - Step 3: Cross multiply
3,440,569.36x = 4,748,147.76 × 1,912,702 - Step 4: Simplify right side
3,440,569.36x = 9,081,791,716,847.52 - Step 5: Solve for x
x = 9,081,791,716,847.52/3,440,569.36 - Step 6: Final answer
x = 2,639,618.84
Related Problems
Find fourth proportional to 1,720,284.68, 2,374,073.88 and 956,351
Half scale
Find fourth proportional to 6,881,138.72, 9,496,295.52 and 3,825,404
Double scale
Find fourth proportional to 3,440,570.36, 4,748,149.14 and 1,912,703
Similar ratio
Find fourth proportional to 5,160,854.04, 7,122,221.64 and 2,869,053
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.