Finding the Fourth Proportional to 1,455,332.94, 2,183,301.81 and 613,891.98
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Solution
The fourth proportional to 1,455,332.94, 2,183,301.81 and 613,891.98 is: 920,965.53
Step by Step Solution
- Step 1: Write the proportion equation
1,455,332.94 : 2,183,301.81 = 613,891.98 : x - Step 2: Convert to fraction form
1,455,332.94/2,183,301.81 = 613,891.98/x - Step 3: Cross multiply
1,455,332.94x = 2,183,301.81 × 613,891.98 - Step 4: Simplify right side
1,455,332.94x = 1,340,311,471,078.48 - Step 5: Solve for x
x = 1,340,311,471,078.48/1,455,332.94 - Step 6: Final answer
x = 920,965.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.