Finding the Fourth Proportional to 5,929,780.32, 8,183,103.84 and 3,213,526.32
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Solution
The fourth proportional to 5,929,780.32, 8,183,103.84 and 3,213,526.32 is: 4,434,670.11
Step by Step Solution
- Step 1: Write the proportion equation
5,929,780.32 : 8,183,103.84 = 3,213,526.32 : x - Step 2: Convert to fraction form
5,929,780.32/8,183,103.84 = 3,213,526.32/x - Step 3: Cross multiply
5,929,780.32x = 8,183,103.84 × 3,213,526.32 - Step 4: Simplify right side
5,929,780.32x = 26,296,619,569,133.07 - Step 5: Solve for x
x = 26,296,619,569,133.07/5,929,780.32 - Step 6: Final answer
x = 4,434,670.11
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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.