Finding the Fourth Proportional to 5,225,801.97, 7,211,720.94 and 2,871,030.09
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Solution
The fourth proportional to 5,225,801.97, 7,211,720.94 and 2,871,030.09 is: 3,962,084.28
Step by Step Solution
- Step 1: Write the proportion equation
5,225,801.97 : 7,211,720.94 = 2,871,030.09 : x - Step 2: Convert to fraction form
5,225,801.97/7,211,720.94 = 2,871,030.09/x - Step 3: Cross multiply
5,225,801.97x = 7,211,720.94 × 2,871,030.09 - Step 4: Simplify right side
5,225,801.97x = 20,705,067,819,423.09 - Step 5: Solve for x
x = 20,705,067,819,423.09/5,225,801.97 - Step 6: Final answer
x = 3,962,084.28
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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.