Finding the Fourth Proportional to 3,007,335.48, 4,149,740.56 and 1,718,259.36
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Solution
The fourth proportional to 3,007,335.48, 4,149,740.56 and 1,718,259.36 is: 2,370,979.43
Step by Step Solution
- Step 1: Write the proportion equation
3,007,335.48 : 4,149,740.56 = 1,718,259.36 : x - Step 2: Convert to fraction form
3,007,335.48/4,149,740.56 = 1,718,259.36/x - Step 3: Cross multiply
3,007,335.48x = 4,149,740.56 × 1,718,259.36 - Step 4: Simplify right side
3,007,335.48x = 7,130,330,558,791.64 - Step 5: Solve for x
x = 7,130,330,558,791.64/3,007,335.48 - Step 6: Final answer
x = 2,370,979.43
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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.