Finding the Fourth Proportional to 5,236,072.84, 7,854,206.46 and 1,641,759.40
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Solution
The fourth proportional to 5,236,072.84, 7,854,206.46 and 1,641,759.40 is: 2,462,669.58
Step by Step Solution
- Step 1: Write the proportion equation
5,236,072.84 : 7,854,206.46 = 1,641,759.40 : x - Step 2: Convert to fraction form
5,236,072.84/7,854,206.46 = 1,641,759.40/x - Step 3: Cross multiply
5,236,072.84x = 7,854,206.46 × 1,641,759.40 - Step 4: Simplify right side
5,236,072.84x = 12,894,717,285,245.72 - Step 5: Solve for x
x = 12,894,717,285,245.72/5,236,072.84 - Step 6: Final answer
x = 2,462,669.58
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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.