Finding the Fourth Proportional to 2,941,396.74, 4,412,349.28 and 811,480.85
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Solution
The fourth proportional to 2,941,396.74, 4,412,349.28 and 811,480.85 is: 1,217,291.39
Step by Step Solution
- Step 1: Write the proportion equation
2,941,396.74 : 4,412,349.28 = 811,480.85 : x - Step 2: Convert to fraction form
2,941,396.74/4,412,349.28 = 811,480.85/x - Step 3: Cross multiply
2,941,396.74x = 4,412,349.28 × 811,480.85 - Step 4: Simplify right side
2,941,396.74x = 3,580,536,939,730.20 - Step 5: Solve for x
x = 3,580,536,939,730.20/2,941,396.74 - Step 6: Final answer
x = 1,217,291.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.