Finding the Fourth Proportional to 4,114,779.04, 5,678,335.08 and 2,279,231.20
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Solution
The fourth proportional to 4,114,779.04, 5,678,335.08 and 2,279,231.20 is: 3,145,305.82
Step by Step Solution
- Step 1: Write the proportion equation
4,114,779.04 : 5,678,335.08 = 2,279,231.20 : x - Step 2: Convert to fraction form
4,114,779.04/5,678,335.08 = 2,279,231.20/x - Step 3: Cross multiply
4,114,779.04x = 5,678,335.08 × 2,279,231.20 - Step 4: Simplify right side
4,114,779.04x = 12,942,238,478,390.50 - Step 5: Solve for x
x = 12,942,238,478,390.50/4,114,779.04 - Step 6: Final answer
x = 3,145,305.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.