Finding the Fourth Proportional to 1,358,237.82, 1,873,959.44 and 814,175.09
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Solution
The fourth proportional to 1,358,237.82, 1,873,959.44 and 814,175.09 is: 1,123,316.61
Step by Step Solution
- Step 1: Write the proportion equation
1,358,237.82 : 1,873,959.44 = 814,175.09 : x - Step 2: Convert to fraction form
1,358,237.82/1,873,959.44 = 814,175.09/x - Step 3: Cross multiply
1,358,237.82x = 1,873,959.44 × 814,175.09 - Step 4: Simplify right side
1,358,237.82x = 1,525,731,099,846.05 - Step 5: Solve for x
x = 1,525,731,099,846.05/1,358,237.82 - Step 6: Final answer
x = 1,123,316.61
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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.