Finding the Fourth Proportional to 1,889,149.32, 2,607,026.81 and 1,073,354.09
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Solution
The fourth proportional to 1,889,149.32, 2,607,026.81 and 1,073,354.09 is: 1,481,229.06
Step by Step Solution
- Step 1: Write the proportion equation
1,889,149.32 : 2,607,026.81 = 1,073,354.09 : x - Step 2: Convert to fraction form
1,889,149.32/2,607,026.81 = 1,073,354.09/x - Step 3: Cross multiply
1,889,149.32x = 2,607,026.81 × 1,073,354.09 - Step 4: Simplify right side
1,889,149.32x = 2,798,262,870,851.25 - Step 5: Solve for x
x = 2,798,262,870,851.25/1,889,149.32 - Step 6: Final answer
x = 1,481,229.06
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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.