Finding the Fourth Proportional to 5,703,519.69, 7,871,040.14 and 3,125,364.21
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Solution
The fourth proportional to 5,703,519.69, 7,871,040.14 and 3,125,364.21 is: 4,313,102.87
Step by Step Solution
- Step 1: Write the proportion equation
5,703,519.69 : 7,871,040.14 = 3,125,364.21 : x - Step 2: Convert to fraction form
5,703,519.69/7,871,040.14 = 3,125,364.21/x - Step 3: Cross multiply
5,703,519.69x = 7,871,040.14 × 3,125,364.21 - Step 4: Simplify right side
5,703,519.69x = 24,599,867,133,402.57 - Step 5: Solve for x
x = 24,599,867,133,402.57/5,703,519.69 - Step 6: Final answer
x = 4,313,102.87
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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.