Finding the Fourth Proportional to 4,318,117.98, 6,479,418.66 and 1,761,208.80
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Solution
The fourth proportional to 4,318,117.98, 6,479,418.66 and 1,761,208.80 is: 2,642,727.51
Step by Step Solution
- Step 1: Write the proportion equation
4,318,117.98 : 6,479,418.66 = 1,761,208.80 : x - Step 2: Convert to fraction form
4,318,117.98/6,479,418.66 = 1,761,208.80/x - Step 3: Cross multiply
4,318,117.98x = 6,479,418.66 × 1,761,208.80 - Step 4: Simplify right side
4,318,117.98x = 11,411,609,162,876.21 - Step 5: Solve for x
x = 11,411,609,162,876.21/4,318,117.98 - Step 6: Final answer
x = 2,642,727.51
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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.