Finding the Fourth Proportional to 1,805,964.73, 2,492,218.14 and 990,154.95
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Solution
The fourth proportional to 1,805,964.73, 2,492,218.14 and 990,154.95 is: 1,366,406.61
Step by Step Solution
- Step 1: Write the proportion equation
1,805,964.73 : 2,492,218.14 = 990,154.95 : x - Step 2: Convert to fraction form
1,805,964.73/2,492,218.14 = 990,154.95/x - Step 3: Cross multiply
1,805,964.73x = 2,492,218.14 × 990,154.95 - Step 4: Simplify right side
1,805,964.73x = 2,467,682,134,330.24 - Step 5: Solve for x
x = 2,467,682,134,330.24/1,805,964.73 - Step 6: Final answer
x = 1,366,406.61
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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.