Finding the Fourth Proportional to 7,239,702.21, 10,859,543.73 and 1,848,353.55
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Solution
The fourth proportional to 7,239,702.21, 10,859,543.73 and 1,848,353.55 is: 2,772,527.88
Step by Step Solution
- Step 1: Write the proportion equation
7,239,702.21 : 10,859,543.73 = 1,848,353.55 : x - Step 2: Convert to fraction form
7,239,702.21/10,859,543.73 = 1,848,353.55/x - Step 3: Cross multiply
7,239,702.21x = 10,859,543.73 × 1,848,353.55 - Step 4: Simplify right side
7,239,702.21x = 20,072,276,204,725.74 - Step 5: Solve for x
x = 20,072,276,204,725.74/7,239,702.21 - Step 6: Final answer
x = 2,772,527.88
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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.