Finding the Fourth Proportional to 1,512,175.20, 2,268,262.80 and 1,246,454.70
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Solution
The fourth proportional to 1,512,175.20, 2,268,262.80 and 1,246,454.70 is: 1,869,682.05
Step by Step Solution
- Step 1: Write the proportion equation
1,512,175.20 : 2,268,262.80 = 1,246,454.70 : x - Step 2: Convert to fraction form
1,512,175.20/2,268,262.80 = 1,246,454.70/x - Step 3: Cross multiply
1,512,175.20x = 2,268,262.80 × 1,246,454.70 - Step 4: Simplify right side
1,512,175.20x = 2,827,286,827,895.16 - Step 5: Solve for x
x = 2,827,286,827,895.16/1,512,175.20 - Step 6: Final answer
x = 1,869,682.05
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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.