Finding the Fourth Proportional to 1,678,519.97, 2,316,357.91 and 914,573.53
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Solution
The fourth proportional to 1,678,519.97, 2,316,357.91 and 914,573.53 is: 1,262,111.66
Step by Step Solution
- Step 1: Write the proportion equation
1,678,519.97 : 2,316,357.91 = 914,573.53 : x - Step 2: Convert to fraction form
1,678,519.97/2,316,357.91 = 914,573.53/x - Step 3: Cross multiply
1,678,519.97x = 2,316,357.91 × 914,573.53 - Step 4: Simplify right side
1,678,519.97x = 2,118,479,630,492.12 - Step 5: Solve for x
x = 2,118,479,630,492.12/1,678,519.97 - Step 6: Final answer
x = 1,262,111.66
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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.