Finding the Fourth Proportional to 1,590,366.36, 2,195,467.86 and 979,043.14
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Solution
The fourth proportional to 1,590,366.36, 2,195,467.86 and 979,043.14 is: 1,351,548.80
Step by Step Solution
- Step 1: Write the proportion equation
1,590,366.36 : 2,195,467.86 = 979,043.14 : x - Step 2: Convert to fraction form
1,590,366.36/2,195,467.86 = 979,043.14/x - Step 3: Cross multiply
1,590,366.36x = 2,195,467.86 × 979,043.14 - Step 4: Simplify right side
1,590,366.36x = 2,149,457,753,839.23 - Step 5: Solve for x
x = 2,149,457,753,839.23/1,590,366.36 - Step 6: Final answer
x = 1,351,548.80
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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.