Finding the Fourth Proportional to 1,676,464.32, 2,514,671.88 and 414,291.92
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Solution
The fourth proportional to 1,676,464.32, 2,514,671.88 and 414,291.92 is: 621,431.80
Step by Step Solution
- Step 1: Write the proportion equation
1,676,464.32 : 2,514,671.88 = 414,291.92 : x - Step 2: Convert to fraction form
1,676,464.32/2,514,671.88 = 414,291.92/x - Step 3: Cross multiply
1,676,464.32x = 2,514,671.88 × 414,291.92 - Step 4: Simplify right side
1,676,464.32x = 1,041,808,241,335.21 - Step 5: Solve for x
x = 1,041,808,241,335.21/1,676,464.32 - Step 6: Final answer
x = 621,431.80
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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.