Finding the Fourth Proportional to 2,930,828.51, 4,046,517.20 and 1,829,936.32
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Solution
The fourth proportional to 2,930,828.51, 4,046,517.20 and 1,829,936.32 is: 2,526,544.55
Step by Step Solution
- Step 1: Write the proportion equation
2,930,828.51 : 4,046,517.20 = 1,829,936.32 : x - Step 2: Convert to fraction form
2,930,828.51/4,046,517.20 = 1,829,936.32/x - Step 3: Cross multiply
2,930,828.51x = 4,046,517.20 × 1,829,936.32 - Step 4: Simplify right side
2,930,828.51x = 7,404,868,793,784.71 - Step 5: Solve for x
x = 7,404,868,793,784.71/2,930,828.51 - Step 6: Final answer
x = 2,526,544.55
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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.