Finding the Fourth Proportional to 2,428,221.11, 3,350,950.09 and 1,340,494.18
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Solution
The fourth proportional to 2,428,221.11, 3,350,950.09 and 1,340,494.18 is: 1,849,884.70
Step by Step Solution
- Step 1: Write the proportion equation
2,428,221.11 : 3,350,950.09 = 1,340,494.18 : x - Step 2: Convert to fraction form
2,428,221.11/3,350,950.09 = 1,340,494.18/x - Step 3: Cross multiply
2,428,221.11x = 3,350,950.09 × 1,340,494.18 - Step 4: Simplify right side
2,428,221.11x = 4,491,929,081,386.87 - Step 5: Solve for x
x = 4,491,929,081,386.87/2,428,221.11 - Step 6: Final answer
x = 1,849,884.70
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1.5x scale
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.