Finding the Fourth Proportional to 5,519,752.97, 7,617,259.33 and 3,072,311.46
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Solution
The fourth proportional to 5,519,752.97, 7,617,259.33 and 3,072,311.46 is: 4,239,789.95
Step by Step Solution
- Step 1: Write the proportion equation
5,519,752.97 : 7,617,259.33 = 3,072,311.46 : x - Step 2: Convert to fraction form
5,519,752.97/7,617,259.33 = 3,072,311.46/x - Step 3: Cross multiply
5,519,752.97x = 7,617,259.33 × 3,072,311.46 - Step 4: Simplify right side
5,519,752.97x = 23,402,593,125,670.14 - Step 5: Solve for x
x = 23,402,593,125,670.14/5,519,752.97 - Step 6: Final answer
x = 4,239,789.95
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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.