Finding the Fourth Proportional to 4,720,753.97, 7,054,256.97 and 3,544,605.76
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Solution
The fourth proportional to 4,720,753.97, 7,054,256.97 and 3,544,605.76 is: 5,296,730.15
Step by Step Solution
- Step 1: Write the proportion equation
4,720,753.97 : 7,054,256.97 = 3,544,605.76 : x - Step 2: Convert to fraction form
4,720,753.97/7,054,256.97 = 3,544,605.76/x - Step 3: Cross multiply
4,720,753.97x = 7,054,256.97 × 3,544,605.76 - Step 4: Simplify right side
4,720,753.97x = 25,004,559,888,382.14 - Step 5: Solve for x
x = 25,004,559,888,382.14/4,720,753.97 - Step 6: Final answer
x = 5,296,730.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.