Finding the Fourth Proportional to 7,726,406.53, 11,589,323.81 and 3,117,386.05
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Solution
The fourth proportional to 7,726,406.53, 11,589,323.81 and 3,117,386.05 is: 4,675,963.69
Step by Step Solution
- Step 1: Write the proportion equation
7,726,406.53 : 11,589,323.81 = 3,117,386.05 : x - Step 2: Convert to fraction form
7,726,406.53/11,589,323.81 = 3,117,386.05/x - Step 3: Cross multiply
7,726,406.53x = 11,589,323.81 × 3,117,386.05 - Step 4: Simplify right side
7,726,406.53x = 36,128,396,374,226.85 - Step 5: Solve for x
x = 36,128,396,374,226.85/7,726,406.53 - Step 6: Final answer
x = 4,675,963.69
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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.