Finding the Fourth Proportional to 4,695,440.40, 7,051,714.20 and 4,107,574.80
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Solution
The fourth proportional to 4,695,440.40, 7,051,714.20 and 4,107,574.80 is: 6,168,844.90
Step by Step Solution
- Step 1: Write the proportion equation
4,695,440.40 : 7,051,714.20 = 4,107,574.80 : x - Step 2: Convert to fraction form
4,695,440.40/7,051,714.20 = 4,107,574.80/x - Step 3: Cross multiply
4,695,440.40x = 7,051,714.20 × 4,107,574.80 - Step 4: Simplify right side
4,695,440.40x = 28,965,443,544,722.16 - Step 5: Solve for x
x = 28,965,443,544,722.16/4,695,440.40 - Step 6: Final answer
x = 6,168,844.90
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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.