Finding the Fourth Proportional to 3,818,877.14, 5,727,090.52 and 1,259,516.70
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Solution
The fourth proportional to 3,818,877.14, 5,727,090.52 and 1,259,516.70 is: 1,888,870.97
Step by Step Solution
- Step 1: Write the proportion equation
3,818,877.14 : 5,727,090.52 = 1,259,516.70 : x - Step 2: Convert to fraction form
3,818,877.14/5,727,090.52 = 1,259,516.70/x - Step 3: Cross multiply
3,818,877.14x = 5,727,090.52 × 1,259,516.70 - Step 4: Simplify right side
3,818,877.14x = 7,213,366,152,351.68 - Step 5: Solve for x
x = 7,213,366,152,351.68/3,818,877.14 - Step 6: Final answer
x = 1,888,870.97
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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.