Finding the Fourth Proportional to 2,248,335.09, 3,102,775.88 and 1,229,739.84
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Solution
The fourth proportional to 2,248,335.09, 3,102,775.88 and 1,229,739.84 is: 1,697,081.15
Step by Step Solution
- Step 1: Write the proportion equation
2,248,335.09 : 3,102,775.88 = 1,229,739.84 : x - Step 2: Convert to fraction form
2,248,335.09/3,102,775.88 = 1,229,739.84/x - Step 3: Cross multiply
2,248,335.09x = 3,102,775.88 × 1,229,739.84 - Step 4: Simplify right side
2,248,335.09x = 3,815,607,108,078.36 - Step 5: Solve for x
x = 3,815,607,108,078.36/2,248,335.09 - Step 6: Final answer
x = 1,697,081.15
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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.