Finding the Fourth Proportional to 2,183,278.23, 3,012,944.54 and 1,203,252.59
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Solution
The fourth proportional to 2,183,278.23, 3,012,944.54 and 1,203,252.59 is: 1,660,499.92
Step by Step Solution
- Step 1: Write the proportion equation
2,183,278.23 : 3,012,944.54 = 1,203,252.59 : x - Step 2: Convert to fraction form
2,183,278.23/3,012,944.54 = 1,203,252.59/x - Step 3: Cross multiply
2,183,278.23x = 3,012,944.54 × 1,203,252.59 - Step 4: Simplify right side
2,183,278.23x = 3,625,333,331,821.85 - Step 5: Solve for x
x = 3,625,333,331,821.85/2,183,278.23 - Step 6: Final answer
x = 1,660,499.92
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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.