Finding the Fourth Proportional to 1,591,310.41, 2,196,055.90 and 979,815.99
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Solution
The fourth proportional to 1,591,310.41, 2,196,055.90 and 979,815.99 is: 1,352,175.34
Step by Step Solution
- Step 1: Write the proportion equation
1,591,310.41 : 2,196,055.90 = 979,815.99 : x - Step 2: Convert to fraction form
1,591,310.41/2,196,055.90 = 979,815.99/x - Step 3: Cross multiply
1,591,310.41x = 2,196,055.90 × 979,815.99 - Step 4: Simplify right side
1,591,310.41x = 2,151,730,695,213.82 - Step 5: Solve for x
x = 2,151,730,695,213.82/1,591,310.41 - Step 6: Final answer
x = 1,352,175.34
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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.