Finding the Fourth Proportional to 4,028,278.93, 5,559,095.79 and 2,192,789.97
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Solution
The fourth proportional to 4,028,278.93, 5,559,095.79 and 2,192,789.97 is: 3,026,088.74
Step by Step Solution
- Step 1: Write the proportion equation
4,028,278.93 : 5,559,095.79 = 2,192,789.97 : x - Step 2: Convert to fraction form
4,028,278.93/5,559,095.79 = 2,192,789.97/x - Step 3: Cross multiply
4,028,278.93x = 5,559,095.79 × 2,192,789.97 - Step 4: Simplify right side
4,028,278.93x = 12,189,929,490,581.23 - Step 5: Solve for x
x = 12,189,929,490,581.23/4,028,278.93 - Step 6: Final answer
x = 3,026,088.74
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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.