Finding the Fourth Proportional to 4,540,884.80, 6,808,216.80 and 2,145,876.80
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Solution
The fourth proportional to 4,540,884.80, 6,808,216.80 and 2,145,876.80 is: 3,217,345.32
Step by Step Solution
- Step 1: Write the proportion equation
4,540,884.80 : 6,808,216.80 = 2,145,876.80 : x - Step 2: Convert to fraction form
4,540,884.80/6,808,216.80 = 2,145,876.80/x - Step 3: Cross multiply
4,540,884.80x = 6,808,216.80 × 2,145,876.80 - Step 4: Simplify right side
4,540,884.80x = 14,609,594,480,490.24 - Step 5: Solve for x
x = 14,609,594,480,490.24/4,540,884.80 - Step 6: Final answer
x = 3,217,345.32
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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.