Finding the Fourth Proportional to 1,330,049.74, 1,995,354.86 and 431,421.41
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Solution
The fourth proportional to 1,330,049.74, 1,995,354.86 and 431,421.41 is: 647,223.02
Step by Step Solution
- Step 1: Write the proportion equation
1,330,049.74 : 1,995,354.86 = 431,421.41 : x - Step 2: Convert to fraction form
1,330,049.74/1,995,354.86 = 431,421.41/x - Step 3: Cross multiply
1,330,049.74x = 1,995,354.86 × 431,421.41 - Step 4: Simplify right side
1,330,049.74x = 860,838,807,151.55 - Step 5: Solve for x
x = 860,838,807,151.55/1,330,049.74 - Step 6: Final answer
x = 647,223.02
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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.