Finding the Fourth Proportional to 5,197,012.63, 7,795,387.72 and 1,410,397.09
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Solution
The fourth proportional to 5,197,012.63, 7,795,387.72 and 1,410,397.09 is: 2,115,560.02
Step by Step Solution
- Step 1: Write the proportion equation
5,197,012.63 : 7,795,387.72 = 1,410,397.09 : x - Step 2: Convert to fraction form
5,197,012.63/7,795,387.72 = 1,410,397.09/x - Step 3: Cross multiply
5,197,012.63x = 7,795,387.72 × 1,410,397.09 - Step 4: Simplify right side
5,197,012.63x = 10,994,592,155,709.73 - Step 5: Solve for x
x = 10,994,592,155,709.73/5,197,012.63 - Step 6: Final answer
x = 2,115,560.02
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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.