Finding the Fourth Proportional to 3,391,095.84, 4,678,554.86 and 2,101,465.68
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Solution
The fourth proportional to 3,391,095.84, 4,678,554.86 and 2,101,465.68 is: 2,899,305.40
Step by Step Solution
- Step 1: Write the proportion equation
3,391,095.84 : 4,678,554.86 = 2,101,465.68 : x - Step 2: Convert to fraction form
3,391,095.84/4,678,554.86 = 2,101,465.68/x - Step 3: Cross multiply
3,391,095.84x = 4,678,554.86 × 2,101,465.68 - Step 4: Simplify right side
3,391,095.84x = 9,831,822,461,936.54 - Step 5: Solve for x
x = 9,831,822,461,936.54/3,391,095.84 - Step 6: Final answer
x = 2,899,305.40
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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.