Finding the Fourth Proportional to 4,982,534.53, 6,875,897.69 and 2,690,695.21
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Solution
The fourth proportional to 4,982,534.53, 6,875,897.69 and 2,690,695.21 is: 3,713,159.41
Step by Step Solution
- Step 1: Write the proportion equation
4,982,534.53 : 6,875,897.69 = 2,690,695.21 : x - Step 2: Convert to fraction form
4,982,534.53/6,875,897.69 = 2,690,695.21/x - Step 3: Cross multiply
4,982,534.53x = 6,875,897.69 × 2,690,695.21 - Step 4: Simplify right side
4,982,534.53x = 18,500,944,978,933.07 - Step 5: Solve for x
x = 18,500,944,978,933.07/4,982,534.53 - Step 6: Final answer
x = 3,713,159.41
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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.