Finding the Fourth Proportional to 4,221,986.44, 5,826,338.76 and 2,479,310.32
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Solution
The fourth proportional to 4,221,986.44, 5,826,338.76 and 2,479,310.32 is: 3,421,446.76
Step by Step Solution
- Step 1: Write the proportion equation
4,221,986.44 : 5,826,338.76 = 2,479,310.32 : x - Step 2: Convert to fraction form
4,221,986.44/5,826,338.76 = 2,479,310.32/x - Step 3: Cross multiply
4,221,986.44x = 5,826,338.76 × 2,479,310.32 - Step 4: Simplify right side
4,221,986.44x = 14,445,301,815,484.00 - Step 5: Solve for x
x = 14,445,301,815,484.00/4,221,986.44 - Step 6: Final answer
x = 3,421,446.76
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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.