Finding the Fourth Proportional to 3,153,963.62, 4,352,471.48 and 1,703,659.03
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Solution
The fourth proportional to 3,153,963.62, 4,352,471.48 and 1,703,659.03 is: 2,351,050.37
Step by Step Solution
- Step 1: Write the proportion equation
3,153,963.62 : 4,352,471.48 = 1,703,659.03 : x - Step 2: Convert to fraction form
3,153,963.62/4,352,471.48 = 1,703,659.03/x - Step 3: Cross multiply
3,153,963.62x = 4,352,471.48 × 1,703,659.03 - Step 4: Simplify right side
3,153,963.62x = 7,415,127,333,097.43 - Step 5: Solve for x
x = 7,415,127,333,097.43/3,153,963.62 - Step 6: Final answer
x = 2,351,050.37
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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.