Finding the Fourth Proportional to 1,498,645.13, 2,068,179.48 and 819,581.63
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Solution
The fourth proportional to 1,498,645.13, 2,068,179.48 and 819,581.63 is: 1,131,049.55
Step by Step Solution
- Step 1: Write the proportion equation
1,498,645.13 : 2,068,179.48 = 819,581.63 : x - Step 2: Convert to fraction form
1,498,645.13/2,068,179.48 = 819,581.63/x - Step 3: Cross multiply
1,498,645.13x = 2,068,179.48 × 819,581.63 - Step 4: Simplify right side
1,498,645.13x = 1,695,041,899,010.06 - Step 5: Solve for x
x = 1,695,041,899,010.06/1,498,645.13 - Step 6: Final answer
x = 1,131,049.55
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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.