Finding the Fourth Proportional to 3,146,765.21, 4,720,149.12 and 1,415,613.00
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Solution
The fourth proportional to 3,146,765.21, 4,720,149.12 and 1,415,613.00 is: 2,123,420.09
Step by Step Solution
- Step 1: Write the proportion equation
3,146,765.21 : 4,720,149.12 = 1,415,613.00 : x - Step 2: Convert to fraction form
3,146,765.21/4,720,149.12 = 1,415,613.00/x - Step 3: Cross multiply
3,146,765.21x = 4,720,149.12 × 1,415,613.00 - Step 4: Simplify right side
3,146,765.21x = 6,681,904,449,352.70 - Step 5: Solve for x
x = 6,681,904,449,352.70/3,146,765.21 - Step 6: Final answer
x = 2,123,420.09
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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.