Finding the Fourth Proportional to 4,088,995.74, 5,642,852.63 and 2,253,520.13
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Solution
The fourth proportional to 4,088,995.74, 5,642,852.63 and 2,253,520.13 is: 3,109,878.99
Step by Step Solution
- Step 1: Write the proportion equation
4,088,995.74 : 5,642,852.63 = 2,253,520.13 : x - Step 2: Convert to fraction form
4,088,995.74/5,642,852.63 = 2,253,520.13/x - Step 3: Cross multiply
4,088,995.74x = 5,642,852.63 × 2,253,520.13 - Step 4: Simplify right side
4,088,995.74x = 12,716,281,952,846.58 - Step 5: Solve for x
x = 12,716,281,952,846.58/4,088,995.74 - Step 6: Final answer
x = 3,109,878.99
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1.5x scale
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.