Finding the Fourth Proportional to 3,572,476.80, 4,929,921.99 and 2,102,471.84
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Solution
The fourth proportional to 3,572,476.80, 4,929,921.99 and 2,102,471.84 is: 2,901,354.64
Step by Step Solution
- Step 1: Write the proportion equation
3,572,476.80 : 4,929,921.99 = 2,102,471.84 : x - Step 2: Convert to fraction form
3,572,476.80/4,929,921.99 = 2,102,471.84/x - Step 3: Cross multiply
3,572,476.80x = 4,929,921.99 × 2,102,471.84 - Step 4: Simplify right side
3,572,476.80x = 10,365,022,132,722.15 - Step 5: Solve for x
x = 10,365,022,132,722.15/3,572,476.80 - Step 6: Final answer
x = 2,901,354.64
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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.