Finding the Fourth Proportional to 1,660,918.20, 2,292,067.04 and 896,971.70
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Solution
The fourth proportional to 1,660,918.20, 2,292,067.04 and 896,971.70 is: 1,237,820.90
Step by Step Solution
- Step 1: Write the proportion equation
1,660,918.20 : 2,292,067.04 = 896,971.70 : x - Step 2: Convert to fraction form
1,660,918.20/2,292,067.04 = 896,971.70/x - Step 3: Cross multiply
1,660,918.20x = 2,292,067.04 × 896,971.70 - Step 4: Simplify right side
1,660,918.20x = 2,055,919,269,382.77 - Step 5: Solve for x
x = 2,055,919,269,382.77/1,660,918.20 - Step 6: Final answer
x = 1,237,820.90
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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.