Finding the Fourth Proportional to 2,178,254.80, 3,268,159.80 and 916,469.20
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Solution
The fourth proportional to 2,178,254.80, 3,268,159.80 and 916,469.20 is: 1,375,030.96
Step by Step Solution
- Step 1: Write the proportion equation
2,178,254.80 : 3,268,159.80 = 916,469.20 : x - Step 2: Convert to fraction form
2,178,254.80/3,268,159.80 = 916,469.20/x - Step 3: Cross multiply
2,178,254.80x = 3,268,159.80 × 916,469.20 - Step 4: Simplify right side
2,178,254.80x = 2,995,167,797,378.16 - Step 5: Solve for x
x = 2,995,167,797,378.16/2,178,254.80 - Step 6: Final answer
x = 1,375,030.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.