Finding the Fourth Proportional to 3,867,224.40, 5,336,673.84 and 2,148,349.12
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Solution
The fourth proportional to 3,867,224.40, 5,336,673.84 and 2,148,349.12 is: 2,964,668.55
Step by Step Solution
- Step 1: Write the proportion equation
3,867,224.40 : 5,336,673.84 = 2,148,349.12 : x - Step 2: Convert to fraction form
3,867,224.40/5,336,673.84 = 2,148,349.12/x - Step 3: Cross multiply
3,867,224.40x = 5,336,673.84 × 2,148,349.12 - Step 4: Simplify right side
3,867,224.40x = 11,465,038,547,891.02 - Step 5: Solve for x
x = 11,465,038,547,891.02/3,867,224.40 - Step 6: Final answer
x = 2,964,668.55
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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.