Finding the Fourth Proportional to 2,083,418.40, 2,875,101.84 and 1,178,032.80
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Solution
The fourth proportional to 2,083,418.40, 2,875,101.84 and 1,178,032.80 is: 1,625,676.47
Step by Step Solution
- Step 1: Write the proportion equation
2,083,418.40 : 2,875,101.84 = 1,178,032.80 : x - Step 2: Convert to fraction form
2,083,418.40/2,875,101.84 = 1,178,032.80/x - Step 3: Cross multiply
2,083,418.40x = 2,875,101.84 × 1,178,032.80 - Step 4: Simplify right side
2,083,418.40x = 3,386,964,270,860.35 - Step 5: Solve for x
x = 3,386,964,270,860.35/2,083,418.40 - Step 6: Final answer
x = 1,625,676.47
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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.