Finding the Fourth Proportional to 5,290,725.74, 7,935,703.18 and 2,373,721.88
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Solution
The fourth proportional to 5,290,725.74, 7,935,703.18 and 2,373,721.88 is: 3,560,409.89
Step by Step Solution
- Step 1: Write the proportion equation
5,290,725.74 : 7,935,703.18 = 2,373,721.88 : x - Step 2: Convert to fraction form
5,290,725.74/7,935,703.18 = 2,373,721.88/x - Step 3: Cross multiply
5,290,725.74x = 7,935,703.18 × 2,373,721.88 - Step 4: Simplify right side
5,290,725.74x = 18,837,152,225,938.76 - Step 5: Solve for x
x = 18,837,152,225,938.76/5,290,725.74 - Step 6: Final answer
x = 3,560,409.89
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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.