Finding the Fourth Proportional to 3,955,217.60, 5,458,048.76 and 2,236,374.08
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Solution
The fourth proportional to 3,955,217.60, 5,458,048.76 and 2,236,374.08 is: 3,086,110.55
Step by Step Solution
- Step 1: Write the proportion equation
3,955,217.60 : 5,458,048.76 = 2,236,374.08 : x - Step 2: Convert to fraction form
3,955,217.60/5,458,048.76 = 2,236,374.08/x - Step 3: Cross multiply
3,955,217.60x = 5,458,048.76 × 2,236,374.08 - Step 4: Simplify right side
3,955,217.60x = 12,206,238,774,240.14 - Step 5: Solve for x
x = 12,206,238,774,240.14/3,955,217.60 - Step 6: Final answer
x = 3,086,110.55
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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.