Finding the Fourth Proportional to 2,931,939.24, 4,046,025.36 and 1,642,775.64
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Solution
The fourth proportional to 2,931,939.24, 4,046,025.36 and 1,642,775.64 is: 2,267,001.92
Step by Step Solution
- Step 1: Write the proportion equation
2,931,939.24 : 4,046,025.36 = 1,642,775.64 : x - Step 2: Convert to fraction form
2,931,939.24/4,046,025.36 = 1,642,775.64/x - Step 3: Cross multiply
2,931,939.24x = 4,046,025.36 × 1,642,775.64 - Step 4: Simplify right side
2,931,939.24x = 6,646,711,900,230.23 - Step 5: Solve for x
x = 6,646,711,900,230.23/2,931,939.24 - Step 6: Final answer
x = 2,267,001.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.