Finding the Fourth Proportional to 3,890,779.08, 5,828,344 and 1,939,620.28
Calculator
Solution
The fourth proportional to 3,890,779.08, 5,828,344 and 1,939,620.28 is: 2,905,529.71
Step by Step Solution
- Step 1: Write the proportion equation
3,890,779.08 : 5,828,344 = 1,939,620.28 : x - Step 2: Convert to fraction form
3,890,779.08/5,828,344 = 1,939,620.28/x - Step 3: Cross multiply
3,890,779.08x = 5,828,344 × 1,939,620.28 - Step 4: Simplify right side
3,890,779.08x = 11,304,774,221,216.32 - Step 5: Solve for x
x = 11,304,774,221,216.32/3,890,779.08 - Step 6: Final answer
x = 2,905,529.71
Related Problems
Find fourth proportional to 1,945,389.54, 2,914,172 and 969,810.14
Half scale
Find fourth proportional to 7,781,558.16, 11,656,688 and 3,879,240.56
Double scale
Find fourth proportional to 3,890,780.08, 5,828,345.50 and 1,939,621.28
Similar ratio
Find fourth proportional to 5,836,168.62, 8,742,516 and 2,909,430.42
1.5x scale
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.