Finding the Fourth Proportional to 1,557,828.18, 2,335,865.67 and 1,072,080.90
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Solution
The fourth proportional to 1,557,828.18, 2,335,865.67 and 1,072,080.90 is: 1,607,518.08
Step by Step Solution
- Step 1: Write the proportion equation
1,557,828.18 : 2,335,865.67 = 1,072,080.90 : x - Step 2: Convert to fraction form
1,557,828.18/2,335,865.67 = 1,072,080.90/x - Step 3: Cross multiply
1,557,828.18x = 2,335,865.67 × 1,072,080.90 - Step 4: Simplify right side
1,557,828.18x = 2,504,236,969,772.70 - Step 5: Solve for x
x = 2,504,236,969,772.70/1,557,828.18 - Step 6: Final answer
x = 1,607,518.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.