Finding the Fourth Proportional to 4,972,990.02, 6,862,716.36 and 2,797,534.86
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Solution
The fourth proportional to 4,972,990.02, 6,862,716.36 and 2,797,534.86 is: 3,860,592.56
Step by Step Solution
- Step 1: Write the proportion equation
4,972,990.02 : 6,862,716.36 = 2,797,534.86 : x - Step 2: Convert to fraction form
4,972,990.02/6,862,716.36 = 2,797,534.86/x - Step 3: Cross multiply
4,972,990.02x = 6,862,716.36 × 2,797,534.86 - Step 4: Simplify right side
4,972,990.02x = 19,198,688,251,392.31 - Step 5: Solve for x
x = 19,198,688,251,392.31/4,972,990.02 - Step 6: Final answer
x = 3,860,592.56
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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.