Finding the Fourth Proportional to 1,660,891.07, 2,292,029.70 and 896,944.64
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Solution
The fourth proportional to 1,660,891.07, 2,292,029.70 and 896,944.64 is: 1,237,783.62
Step by Step Solution
- Step 1: Write the proportion equation
1,660,891.07 : 2,292,029.70 = 896,944.64 : x - Step 2: Convert to fraction form
1,660,891.07/2,292,029.70 = 896,944.64/x - Step 3: Cross multiply
1,660,891.07x = 2,292,029.70 × 896,944.64 - Step 4: Simplify right side
1,660,891.07x = 2,055,823,754,135.81 - Step 5: Solve for x
x = 2,055,823,754,135.81/1,660,891.07 - Step 6: Final answer
x = 1,237,783.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.