Finding the Fourth Proportional to 7,270,373.80, 10,905,560.70 and 2,221,640.56
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Solution
The fourth proportional to 7,270,373.80, 10,905,560.70 and 2,221,640.56 is: 3,332,460.84
Step by Step Solution
- Step 1: Write the proportion equation
7,270,373.80 : 10,905,560.70 = 2,221,640.56 : x - Step 2: Convert to fraction form
7,270,373.80/10,905,560.70 = 2,221,640.56/x - Step 3: Cross multiply
7,270,373.80x = 10,905,560.70 × 2,221,640.56 - Step 4: Simplify right side
7,270,373.80x = 24,228,235,980,661.99 - Step 5: Solve for x
x = 24,228,235,980,661.99/7,270,373.80 - Step 6: Final answer
x = 3,332,460.84
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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.