Finding the Fourth Proportional to 7,189,611.84, 9,921,668.64 and 3,926,472
Calculator
Solution
The fourth proportional to 7,189,611.84, 9,921,668.64 and 3,926,472 is: 5,418,533.71
Step by Step Solution
- Step 1: Write the proportion equation
7,189,611.84 : 9,921,668.64 = 3,926,472 : x - Step 2: Convert to fraction form
7,189,611.84/9,921,668.64 = 3,926,472/x - Step 3: Cross multiply
7,189,611.84x = 9,921,668.64 × 3,926,472 - Step 4: Simplify right side
7,189,611.84x = 38,957,154,108,238.09 - Step 5: Solve for x
x = 38,957,154,108,238.09/7,189,611.84 - Step 6: Final answer
x = 5,418,533.71
Related Problems
Find fourth proportional to 3,594,805.92, 4,960,834.32 and 1,963,236
Half scale
Find fourth proportional to 14,379,223.68, 19,843,337.28 and 7,852,944
Double scale
Find fourth proportional to 7,189,612.84, 9,921,670.02 and 3,926,473
Similar ratio
Find fourth proportional to 10,784,417.76, 14,882,502.96 and 5,889,708
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.