Finding the Fourth Proportional to 1,285,265.09, 1,916,407.02 and 1,249,953.33
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Solution
The fourth proportional to 1,285,265.09, 1,916,407.02 and 1,249,953.33 is: 1,863,755.07
Step by Step Solution
- Step 1: Write the proportion equation
1,285,265.09 : 1,916,407.02 = 1,249,953.33 : x - Step 2: Convert to fraction form
1,285,265.09/1,916,407.02 = 1,249,953.33/x - Step 3: Cross multiply
1,285,265.09x = 1,916,407.02 × 1,249,953.33 - Step 4: Simplify right side
1,285,265.09x = 2,395,419,336,284.38 - Step 5: Solve for x
x = 2,395,419,336,284.38/1,285,265.09 - Step 6: Final answer
x = 1,863,755.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.