Finding the Fourth Proportional to 4,543,964.73, 6,270,691.61 and 2,478,974.02
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Solution
The fourth proportional to 4,543,964.73, 6,270,691.61 and 2,478,974.02 is: 3,420,995.21
Step by Step Solution
- Step 1: Write the proportion equation
4,543,964.73 : 6,270,691.61 = 2,478,974.02 : x - Step 2: Convert to fraction form
4,543,964.73/6,270,691.61 = 2,478,974.02/x - Step 3: Cross multiply
4,543,964.73x = 6,270,691.61 × 2,478,974.02 - Step 4: Simplify right side
4,543,964.73x = 15,544,881,579,142.68 - Step 5: Solve for x
x = 15,544,881,579,142.68/4,543,964.73 - Step 6: Final answer
x = 3,420,995.21
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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.