Finding the Fourth Proportional to 4,318,116.16, 6,479,415.92 and 1,761,206.98
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Solution
The fourth proportional to 4,318,116.16, 6,479,415.92 and 1,761,206.98 is: 2,642,724.77
Step by Step Solution
- Step 1: Write the proportion equation
4,318,116.16 : 6,479,415.92 = 1,761,206.98 : x - Step 2: Convert to fraction form
4,318,116.16/6,479,415.92 = 1,761,206.98/x - Step 3: Cross multiply
4,318,116.16x = 6,479,415.92 × 1,761,206.98 - Step 4: Simplify right side
4,318,116.16x = 11,411,592,544,627.12 - Step 5: Solve for x
x = 11,411,592,544,627.12/4,318,116.16 - Step 6: Final answer
x = 2,642,724.77
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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.