Finding the Fourth Proportional to 7,190,973.18, 9,923,484.02 and 3,927,790
Calculator
Solution
The fourth proportional to 7,190,973.18, 9,923,484.02 and 3,927,790 is: 5,420,317.99
Step by Step Solution
- Step 1: Write the proportion equation
7,190,973.18 : 9,923,484.02 = 3,927,790 : x - Step 2: Convert to fraction form
7,190,973.18/9,923,484.02 = 3,927,790/x - Step 3: Cross multiply
7,190,973.18x = 9,923,484.02 × 3,927,790 - Step 4: Simplify right side
7,190,973.18x = 38,977,361,298,915.80 - Step 5: Solve for x
x = 38,977,361,298,915.80/7,190,973.18 - Step 6: Final answer
x = 5,420,317.99
Related Problems
Find fourth proportional to 3,595,486.59, 4,961,742.01 and 1,963,895
Half scale
Find fourth proportional to 14,381,946.36, 19,846,968.04 and 7,855,580
Double scale
Find fourth proportional to 7,190,974.18, 9,923,485.40 and 3,927,791
Similar ratio
Find fourth proportional to 10,786,459.77, 14,885,226.03 and 5,891,685
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.