Finding the Fourth Proportional to 5,205,178.14, 7,183,144.71 and 2,913,338.76
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Solution
The fourth proportional to 5,205,178.14, 7,183,144.71 and 2,913,338.76 is: 4,020,406.86
Step by Step Solution
- Step 1: Write the proportion equation
5,205,178.14 : 7,183,144.71 = 2,913,338.76 : x - Step 2: Convert to fraction form
5,205,178.14/7,183,144.71 = 2,913,338.76/x - Step 3: Cross multiply
5,205,178.14x = 7,183,144.71 × 2,913,338.76 - Step 4: Simplify right side
5,205,178.14x = 20,926,933,902,331.96 - Step 5: Solve for x
x = 20,926,933,902,331.96/5,205,178.14 - Step 6: Final answer
x = 4,020,406.86
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1.5x scale
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.