Finding the Fourth Proportional to 1,944,680.11, 2,683,643.19 and 1,128,959.62
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Solution
The fourth proportional to 1,944,680.11, 2,683,643.19 and 1,128,959.62 is: 1,557,955.36
Step by Step Solution
- Step 1: Write the proportion equation
1,944,680.11 : 2,683,643.19 = 1,128,959.62 : x - Step 2: Convert to fraction form
1,944,680.11/2,683,643.19 = 1,128,959.62/x - Step 3: Cross multiply
1,944,680.11x = 2,683,643.19 × 1,128,959.62 - Step 4: Simplify right side
1,944,680.11x = 3,029,724,795,997.99 - Step 5: Solve for x
x = 3,029,724,795,997.99/1,944,680.11 - Step 6: Final answer
x = 1,557,955.36
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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.