Finding the Fourth Proportional to 6,788,532.51, 10,176,072.48 and 3,187,854.09
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Solution
The fourth proportional to 6,788,532.51, 10,176,072.48 and 3,187,854.09 is: 4,778,622.51
Step by Step Solution
- Step 1: Write the proportion equation
6,788,532.51 : 10,176,072.48 = 3,187,854.09 : x - Step 2: Convert to fraction form
6,788,532.51/10,176,072.48 = 3,187,854.09/x - Step 3: Cross multiply
6,788,532.51x = 10,176,072.48 × 3,187,854.09 - Step 4: Simplify right side
6,788,532.51x = 32,439,834,275,504.44 - Step 5: Solve for x
x = 32,439,834,275,504.44/6,788,532.51 - Step 6: Final answer
x = 4,778,622.51
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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.