Finding the Fourth Proportional to 3,189,141.08, 4,785,953.22 and 2,884,226.78
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Solution
The fourth proportional to 3,189,141.08, 4,785,953.22 and 2,884,226.78 is: 4,328,367.45
Step by Step Solution
- Step 1: Write the proportion equation
3,189,141.08 : 4,785,953.22 = 2,884,226.78 : x - Step 2: Convert to fraction form
3,189,141.08/4,785,953.22 = 2,884,226.78/x - Step 3: Cross multiply
3,189,141.08x = 4,785,953.22 × 2,884,226.78 - Step 4: Simplify right side
3,189,141.08x = 13,803,774,444,951.23 - Step 5: Solve for x
x = 13,803,774,444,951.23/3,189,141.08 - Step 6: Final answer
x = 4,328,367.45
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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.