Finding the Fourth Proportional to 4,576,434.40, 6,864,432.90 and 1,543,502.80
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Solution
The fourth proportional to 4,576,434.40, 6,864,432.90 and 1,543,502.80 is: 2,315,180.44
Step by Step Solution
- Step 1: Write the proportion equation
4,576,434.40 : 6,864,432.90 = 1,543,502.80 : x - Step 2: Convert to fraction form
4,576,434.40/6,864,432.90 = 1,543,502.80/x - Step 3: Cross multiply
4,576,434.40x = 6,864,432.90 × 1,543,502.80 - Step 4: Simplify right side
4,576,434.40x = 10,595,271,401,562.12 - Step 5: Solve for x
x = 10,595,271,401,562.12/4,576,434.40 - Step 6: Final answer
x = 2,315,180.44
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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.