Finding the Fourth Proportional to 4,417,808.80, 6,626,713.20 and 4,343,159.20
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Solution
The fourth proportional to 4,417,808.80, 6,626,713.20 and 4,343,159.20 is: 6,514,738.80
Step by Step Solution
- Step 1: Write the proportion equation
4,417,808.80 : 6,626,713.20 = 4,343,159.20 : x - Step 2: Convert to fraction form
4,417,808.80/6,626,713.20 = 4,343,159.20/x - Step 3: Cross multiply
4,417,808.80x = 6,626,713.20 × 4,343,159.20 - Step 4: Simplify right side
4,417,808.80x = 28,780,870,400,341.44 - Step 5: Solve for x
x = 28,780,870,400,341.44/4,417,808.80 - Step 6: Final answer
x = 6,514,738.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.