Finding the Fourth Proportional to 4,345,869.60, 6,514,138.80 and 1,649,152.80
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Solution
The fourth proportional to 4,345,869.60, 6,514,138.80 and 1,649,152.80 is: 2,471,958.72
Step by Step Solution
- Step 1: Write the proportion equation
4,345,869.60 : 6,514,138.80 = 1,649,152.80 : x - Step 2: Convert to fraction form
4,345,869.60/6,514,138.80 = 1,649,152.80/x - Step 3: Cross multiply
4,345,869.60x = 6,514,138.80 × 1,649,152.80 - Step 4: Simplify right side
4,345,869.60x = 10,742,810,241,608.64 - Step 5: Solve for x
x = 10,742,810,241,608.64/4,345,869.60 - Step 6: Final answer
x = 2,471,958.72
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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.