Finding the Fourth Proportional to 5,420,819.51, 7,480,596.08 and 3,097,564.63
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Solution
The fourth proportional to 5,420,819.51, 7,480,596.08 and 3,097,564.63 is: 4,274,562.13
Step by Step Solution
- Step 1: Write the proportion equation
5,420,819.51 : 7,480,596.08 = 3,097,564.63 : x - Step 2: Convert to fraction form
5,420,819.51/7,480,596.08 = 3,097,564.63/x - Step 3: Cross multiply
5,420,819.51x = 7,480,596.08 × 3,097,564.63 - Step 4: Simplify right side
5,420,819.51x = 23,171,629,805,069.52 - Step 5: Solve for x
x = 23,171,629,805,069.52/5,420,819.51 - Step 6: Final answer
x = 4,274,562.13
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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.