Finding the Fourth Proportional to 3,129,827.28, 4,695,059.20 and 1,080,221.08
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Solution
The fourth proportional to 3,129,827.28, 4,695,059.20 and 1,080,221.08 is: 1,620,441.47
Step by Step Solution
- Step 1: Write the proportion equation
3,129,827.28 : 4,695,059.20 = 1,080,221.08 : x - Step 2: Convert to fraction form
3,129,827.28/4,695,059.20 = 1,080,221.08/x - Step 3: Cross multiply
3,129,827.28x = 4,695,059.20 × 1,080,221.08 - Step 4: Simplify right side
3,129,827.28x = 5,071,701,919,687.94 - Step 5: Solve for x
x = 5,071,701,919,687.94/3,129,827.28 - Step 6: Final answer
x = 1,620,441.47
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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.