Finding the Fourth Proportional to 3,425,352.51, 4,726,985.76 and 1,876,669.13
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Solution
The fourth proportional to 3,425,352.51, 4,726,985.76 and 1,876,669.13 is: 2,589,803.01
Step by Step Solution
- Step 1: Write the proportion equation
3,425,352.51 : 4,726,985.76 = 1,876,669.13 : x - Step 2: Convert to fraction form
3,425,352.51/4,726,985.76 = 1,876,669.13/x - Step 3: Cross multiply
3,425,352.51x = 4,726,985.76 × 1,876,669.13 - Step 4: Simplify right side
3,425,352.51x = 8,870,988,253,741.59 - Step 5: Solve for x
x = 8,870,988,253,741.59/3,425,352.51 - Step 6: Final answer
x = 2,589,803.01
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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.