Finding the Fourth Proportional to 2,134,554.84, 2,945,661.75 and 1,167,673.62
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Solution
The fourth proportional to 2,134,554.84, 2,945,661.75 and 1,167,673.62 is: 1,611,376.51
Step by Step Solution
- Step 1: Write the proportion equation
2,134,554.84 : 2,945,661.75 = 1,167,673.62 : x - Step 2: Convert to fraction form
2,134,554.84/2,945,661.75 = 1,167,673.62/x - Step 3: Cross multiply
2,134,554.84x = 2,945,661.75 × 1,167,673.62 - Step 4: Simplify right side
2,134,554.84x = 3,439,571,518,918.04 - Step 5: Solve for x
x = 3,439,571,518,918.04/2,134,554.84 - Step 6: Final answer
x = 1,611,376.51
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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.