Finding the Fourth Proportional to 3,041,987.44, 4,197,942.75 and 1,683,860.44
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Solution
The fourth proportional to 3,041,987.44, 4,197,942.75 and 1,683,860.44 is: 2,323,727.45
Step by Step Solution
- Step 1: Write the proportion equation
3,041,987.44 : 4,197,942.75 = 1,683,860.44 : x - Step 2: Convert to fraction form
3,041,987.44/4,197,942.75 = 1,683,860.44/x - Step 3: Cross multiply
3,041,987.44x = 4,197,942.75 × 1,683,860.44 - Step 4: Simplify right side
3,041,987.44x = 7,068,749,726,109.81 - Step 5: Solve for x
x = 7,068,749,726,109.81/3,041,987.44 - Step 6: Final answer
x = 2,323,727.45
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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.