Finding the Fourth Proportional to 2,259,305.73, 3,117,862.13 and 1,240,717.77
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Solution
The fourth proportional to 2,259,305.73, 3,117,862.13 and 1,240,717.77 is: 1,712,201.63
Step by Step Solution
- Step 1: Write the proportion equation
2,259,305.73 : 3,117,862.13 = 1,240,717.77 : x - Step 2: Convert to fraction form
2,259,305.73/3,117,862.13 = 1,240,717.77/x - Step 3: Cross multiply
2,259,305.73x = 3,117,862.13 × 1,240,717.77 - Step 4: Simplify right side
2,259,305.73x = 3,868,386,942,897.46 - Step 5: Solve for x
x = 3,868,386,942,897.46/2,259,305.73 - Step 6: Final answer
x = 1,712,201.63
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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.