Finding the Fourth Proportional to 4,145,335.43, 5,720,574.74 and 2,403,343.35
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Solution
The fourth proportional to 4,145,335.43, 5,720,574.74 and 2,403,343.35 is: 3,316,620.69
Step by Step Solution
- Step 1: Write the proportion equation
4,145,335.43 : 5,720,574.74 = 2,403,343.35 : x - Step 2: Convert to fraction form
4,145,335.43/5,720,574.74 = 2,403,343.35/x - Step 3: Cross multiply
4,145,335.43x = 5,720,574.74 × 2,403,343.35 - Step 4: Simplify right side
4,145,335.43x = 13,748,505,247,540.26 - Step 5: Solve for x
x = 13,748,505,247,540.26/4,145,335.43 - Step 6: Final answer
x = 3,316,620.69
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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.