Finding the Fourth Proportional to 5,135,729.04, 7,703,574.72 and 1,541,480.40
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Solution
The fourth proportional to 5,135,729.04, 7,703,574.72 and 1,541,480.40 is: 2,312,214.95
Step by Step Solution
- Step 1: Write the proportion equation
5,135,729.04 : 7,703,574.72 = 1,541,480.40 : x - Step 2: Convert to fraction form
5,135,729.04/7,703,574.72 = 1,541,480.40/x - Step 3: Cross multiply
5,135,729.04x = 7,703,574.72 × 1,541,480.40 - Step 4: Simplify right side
5,135,729.04x = 11,874,909,440,815.49 - Step 5: Solve for x
x = 11,874,909,440,815.49/5,135,729.04 - Step 6: Final answer
x = 2,312,214.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.