Finding the Fourth Proportional to 1,992,348.48, 2,749,434.84 and 1,086,924
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Solution
The fourth proportional to 1,992,348.48, 2,749,434.84 and 1,086,924 is: 1,499,951.81
Step by Step Solution
- Step 1: Write the proportion equation
1,992,348.48 : 2,749,434.84 = 1,086,924 : x - Step 2: Convert to fraction form
1,992,348.48/2,749,434.84 = 1,086,924/x - Step 3: Cross multiply
1,992,348.48x = 2,749,434.84 × 1,086,924 - Step 4: Simplify right side
1,992,348.48x = 2,988,426,714,032.16 - Step 5: Solve for x
x = 2,988,426,714,032.16/1,992,348.48 - Step 6: Final answer
x = 1,499,951.81
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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.