Finding the Fourth Proportional to 1,613,284.20, 2,226,252.24 and 888,195.42
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Solution
The fourth proportional to 1,613,284.20, 2,226,252.24 and 888,195.42 is: 1,225,665.66
Step by Step Solution
- Step 1: Write the proportion equation
1,613,284.20 : 2,226,252.24 = 888,195.42 : x - Step 2: Convert to fraction form
1,613,284.20/2,226,252.24 = 888,195.42/x - Step 3: Cross multiply
1,613,284.20x = 2,226,252.24 × 888,195.42 - Step 4: Simplify right side
1,613,284.20x = 1,977,347,043,332.74 - Step 5: Solve for x
x = 1,977,347,043,332.74/1,613,284.20 - Step 6: Final answer
x = 1,225,665.66
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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.