Finding the Fourth Proportional to 2,028,427.38, 2,799,221.49 and 1,110,660.66
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Solution
The fourth proportional to 2,028,427.38, 2,799,221.49 and 1,110,660.66 is: 1,532,707.17
Step by Step Solution
- Step 1: Write the proportion equation
2,028,427.38 : 2,799,221.49 = 1,110,660.66 : x - Step 2: Convert to fraction form
2,028,427.38/2,799,221.49 = 1,110,660.66/x - Step 3: Cross multiply
2,028,427.38x = 2,799,221.49 × 1,110,660.66 - Step 4: Simplify right side
2,028,427.38x = 3,108,985,187,569.58 - Step 5: Solve for x
x = 3,108,985,187,569.58/2,028,427.38 - Step 6: Final answer
x = 1,532,707.17
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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.