Finding the Fourth Proportional to 5,269,419.04, 7,882,476.16 and 4,206,536.96
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Solution
The fourth proportional to 5,269,419.04, 7,882,476.16 and 4,206,536.96 is: 6,292,520.49
Step by Step Solution
- Step 1: Write the proportion equation
5,269,419.04 : 7,882,476.16 = 4,206,536.96 : x - Step 2: Convert to fraction form
5,269,419.04/7,882,476.16 = 4,206,536.96/x - Step 3: Cross multiply
5,269,419.04x = 7,882,476.16 × 4,206,536.96 - Step 4: Simplify right side
5,269,419.04x = 33,157,927,303,358.88 - Step 5: Solve for x
x = 33,157,927,303,358.88/5,269,419.04 - Step 6: Final answer
x = 6,292,520.49
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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.