Finding the Fourth Proportional to 5,442,429.36, 8,156,518.92 and 2,243,832.24
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Solution
The fourth proportional to 5,442,429.36, 8,156,518.92 and 2,243,832.24 is: 3,362,810.78
Step by Step Solution
- Step 1: Write the proportion equation
5,442,429.36 : 8,156,518.92 = 2,243,832.24 : x - Step 2: Convert to fraction form
5,442,429.36/8,156,518.92 = 2,243,832.24/x - Step 3: Cross multiply
5,442,429.36x = 8,156,518.92 × 2,243,832.24 - Step 4: Simplify right side
5,442,429.36x = 18,301,860,118,865.98 - Step 5: Solve for x
x = 18,301,860,118,865.98/5,442,429.36 - Step 6: Final answer
x = 3,362,810.78
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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.