Finding the Fourth Proportional to 7,176,381.13, 10,764,571.70 and 1,857,597.13
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Solution
The fourth proportional to 7,176,381.13, 10,764,571.70 and 1,857,597.13 is: 2,786,395.70
Step by Step Solution
- Step 1: Write the proportion equation
7,176,381.13 : 10,764,571.70 = 1,857,597.13 : x - Step 2: Convert to fraction form
7,176,381.13/10,764,571.70 = 1,857,597.13/x - Step 3: Cross multiply
7,176,381.13x = 10,764,571.70 × 1,857,597.13 - Step 4: Simplify right side
7,176,381.13x = 19,996,237,495,599.22 - Step 5: Solve for x
x = 19,996,237,495,599.22/7,176,381.13 - Step 6: Final answer
x = 2,786,395.70
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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.