Finding the Fourth Proportional to 1,469,939.37, 2,028,616.61 and 816,641.97
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Solution
The fourth proportional to 1,469,939.37, 2,028,616.61 and 816,641.97 is: 1,127,021.63
Step by Step Solution
- Step 1: Write the proportion equation
1,469,939.37 : 2,028,616.61 = 816,641.97 : x - Step 2: Convert to fraction form
1,469,939.37/2,028,616.61 = 816,641.97/x - Step 3: Cross multiply
1,469,939.37x = 2,028,616.61 × 816,641.97 - Step 4: Simplify right side
1,469,939.37x = 1,656,653,460,681.91 - Step 5: Solve for x
x = 1,656,653,460,681.91/1,469,939.37 - Step 6: Final answer
x = 1,127,021.63
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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.