Finding the Fourth Proportional to 3,456,335.80, 4,769,644.26 and 1,928,410.12
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Solution
The fourth proportional to 3,456,335.80, 4,769,644.26 and 1,928,410.12 is: 2,661,150.65
Step by Step Solution
- Step 1: Write the proportion equation
3,456,335.80 : 4,769,644.26 = 1,928,410.12 : x - Step 2: Convert to fraction form
3,456,335.80/4,769,644.26 = 1,928,410.12/x - Step 3: Cross multiply
3,456,335.80x = 4,769,644.26 × 1,928,410.12 - Step 4: Simplify right side
3,456,335.80x = 9,197,830,259,783.91 - Step 5: Solve for x
x = 9,197,830,259,783.91/3,456,335.80 - Step 6: Final answer
x = 2,661,150.65
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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.