Finding the Fourth Proportional to 2,374,362.12, 3,544,350.68 and 2,087,064.12
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Solution
The fourth proportional to 2,374,362.12, 3,544,350.68 and 2,087,064.12 is: 3,115,483.97
Step by Step Solution
- Step 1: Write the proportion equation
2,374,362.12 : 3,544,350.68 = 2,087,064.12 : x - Step 2: Convert to fraction form
2,374,362.12/3,544,350.68 = 2,087,064.12/x - Step 3: Cross multiply
2,374,362.12x = 3,544,350.68 × 2,087,064.12 - Step 4: Simplify right side
2,374,362.12x = 7,397,287,132,925.60 - Step 5: Solve for x
x = 7,397,287,132,925.60/2,374,362.12 - Step 6: Final answer
x = 3,115,483.97
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.