Finding the Fourth Proportional to 3,343,409.85, 4,614,392.98 and 1,873,417.80
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Solution
The fourth proportional to 3,343,409.85, 4,614,392.98 and 1,873,417.80 is: 2,585,589.66
Step by Step Solution
- Step 1: Write the proportion equation
3,343,409.85 : 4,614,392.98 = 1,873,417.80 : x - Step 2: Convert to fraction form
3,343,409.85/4,614,392.98 = 1,873,417.80/x - Step 3: Cross multiply
3,343,409.85x = 4,614,392.98 × 1,873,417.80 - Step 4: Simplify right side
3,343,409.85x = 8,644,685,951,779.48 - Step 5: Solve for x
x = 8,644,685,951,779.48/3,343,409.85 - Step 6: Final answer
x = 2,585,589.66
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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.