Finding the Fourth Proportional to 5,659,993.58, 7,809,941.93 and 3,179,119.05
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Solution
The fourth proportional to 5,659,993.58, 7,809,941.93 and 3,179,119.05 is: 4,386,707.30
Step by Step Solution
- Step 1: Write the proportion equation
5,659,993.58 : 7,809,941.93 = 3,179,119.05 : x - Step 2: Convert to fraction form
5,659,993.58/7,809,941.93 = 3,179,119.05/x - Step 3: Cross multiply
5,659,993.58x = 7,809,941.93 × 3,179,119.05 - Step 4: Simplify right side
5,659,993.58x = 24,828,735,153,161.17 - Step 5: Solve for x
x = 24,828,735,153,161.17/5,659,993.58 - Step 6: Final answer
x = 4,386,707.30
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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.