Finding the Fourth Proportional to 2,785,456.35, 3,843,988.08 and 1,578,232.35
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Solution
The fourth proportional to 2,785,456.35, 3,843,988.08 and 1,578,232.35 is: 2,177,993.68
Step by Step Solution
- Step 1: Write the proportion equation
2,785,456.35 : 3,843,988.08 = 1,578,232.35 : x - Step 2: Convert to fraction form
2,785,456.35/3,843,988.08 = 1,578,232.35/x - Step 3: Cross multiply
2,785,456.35x = 3,843,988.08 × 1,578,232.35 - Step 4: Simplify right side
2,785,456.35x = 6,066,706,313,759.29 - Step 5: Solve for x
x = 6,066,706,313,759.29/2,785,456.35 - Step 6: Final answer
x = 2,177,993.68
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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.