Finding the Fourth Proportional to 5,225,893.19, 7,838,836.87 and 1,631,968.15
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Solution
The fourth proportional to 5,225,893.19, 7,838,836.87 and 1,631,968.15 is: 2,447,951.31
Step by Step Solution
- Step 1: Write the proportion equation
5,225,893.19 : 7,838,836.87 = 1,631,968.15 : x - Step 2: Convert to fraction form
5,225,893.19/7,838,836.87 = 1,631,968.15/x - Step 3: Cross multiply
5,225,893.19x = 7,838,836.87 × 1,631,968.15 - Step 4: Simplify right side
5,225,893.19x = 12,792,732,104,885.69 - Step 5: Solve for x
x = 12,792,732,104,885.69/5,225,893.19 - Step 6: Final answer
x = 2,447,951.31
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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.