Finding the Fourth Proportional to 1,469,819.69, 2,028,282.62 and 816,488.09
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Solution
The fourth proportional to 1,469,819.69, 2,028,282.62 and 816,488.09 is: 1,126,715.48
Step by Step Solution
- Step 1: Write the proportion equation
1,469,819.69 : 2,028,282.62 = 816,488.09 : x - Step 2: Convert to fraction form
1,469,819.69/2,028,282.62 = 816,488.09/x - Step 3: Cross multiply
1,469,819.69x = 2,028,282.62 × 816,488.09 - Step 4: Simplify right side
1,469,819.69x = 1,656,068,588,160.14 - Step 5: Solve for x
x = 1,656,068,588,160.14/1,469,819.69 - Step 6: Final answer
x = 1,126,715.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.