Finding the Fourth Proportional to 1,943,349.93, 2,681,809.97 and 1,072,229.49
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Solution
The fourth proportional to 1,943,349.93, 2,681,809.97 and 1,072,229.49 is: 1,479,669.56
Step by Step Solution
- Step 1: Write the proportion equation
1,943,349.93 : 2,681,809.97 = 1,072,229.49 : x - Step 2: Convert to fraction form
1,943,349.93/2,681,809.97 = 1,072,229.49/x - Step 3: Cross multiply
1,943,349.93x = 2,681,809.97 × 1,072,229.49 - Step 4: Simplify right side
1,943,349.93x = 2,875,515,731,048.87 - Step 5: Solve for x
x = 2,875,515,731,048.87/1,943,349.93 - Step 6: Final answer
x = 1,479,669.56
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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.