Finding the Fourth Proportional to 2,232,148.19, 3,080,347.58 and 1,213,560.23
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Solution
The fourth proportional to 2,232,148.19, 3,080,347.58 and 1,213,560.23 is: 1,674,703.92
Step by Step Solution
- Step 1: Write the proportion equation
2,232,148.19 : 3,080,347.58 = 1,213,560.23 : x - Step 2: Convert to fraction form
2,232,148.19/3,080,347.58 = 1,213,560.23/x - Step 3: Cross multiply
2,232,148.19x = 3,080,347.58 × 1,213,560.23 - Step 4: Simplify right side
2,232,148.19x = 3,738,187,305,296.91 - Step 5: Solve for x
x = 3,738,187,305,296.91/2,232,148.19 - Step 6: Final answer
x = 1,674,703.92
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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.