Finding the Fourth Proportional to 3,081,989.84, 4,252,773.32 and 1,775,669.23
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Solution
The fourth proportional to 3,081,989.84, 4,252,773.32 and 1,775,669.23 is: 2,450,208.83
Step by Step Solution
- Step 1: Write the proportion equation
3,081,989.84 : 4,252,773.32 = 1,775,669.23 : x - Step 2: Convert to fraction form
3,081,989.84/4,252,773.32 = 1,775,669.23/x - Step 3: Cross multiply
3,081,989.84x = 4,252,773.32 × 1,775,669.23 - Step 4: Simplify right side
3,081,989.84x = 7,551,518,705,225.08 - Step 5: Solve for x
x = 7,551,518,705,225.08/3,081,989.84 - Step 6: Final answer
x = 2,450,208.83
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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.