Finding the Fourth Proportional to 4,145,575.64, 6,218,943.95 and 1,449,287.58
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Solution
The fourth proportional to 4,145,575.64, 6,218,943.95 and 1,449,287.58 is: 2,174,134.31
Step by Step Solution
- Step 1: Write the proportion equation
4,145,575.64 : 6,218,943.95 = 1,449,287.58 : x - Step 2: Convert to fraction form
4,145,575.64/6,218,943.95 = 1,449,287.58/x - Step 3: Cross multiply
4,145,575.64x = 6,218,943.95 × 1,449,287.58 - Step 4: Simplify right side
4,145,575.64x = 9,013,038,227,451.14 - Step 5: Solve for x
x = 9,013,038,227,451.14/4,145,575.64 - Step 6: Final answer
x = 2,174,134.31
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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.