Finding the Fourth Proportional to 1,887,695.62, 2,605,080.09 and 1,028,283.46
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Solution
The fourth proportional to 1,887,695.62, 2,605,080.09 and 1,028,283.46 is: 1,419,063.93
Step by Step Solution
- Step 1: Write the proportion equation
1,887,695.62 : 2,605,080.09 = 1,028,283.46 : x - Step 2: Convert to fraction form
1,887,695.62/2,605,080.09 = 1,028,283.46/x - Step 3: Cross multiply
1,887,695.62x = 2,605,080.09 × 1,028,283.46 - Step 4: Simplify right side
1,887,695.62x = 2,678,760,768,522.31 - Step 5: Solve for x
x = 2,678,760,768,522.31/1,887,695.62 - Step 6: Final answer
x = 1,419,063.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.