Finding the Fourth Proportional to 2,229,528.72, 3,076,765.84 and 1,210,933.68
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Solution
The fourth proportional to 2,229,528.72, 3,076,765.84 and 1,210,933.68 is: 1,671,097.28
Step by Step Solution
- Step 1: Write the proportion equation
2,229,528.72 : 3,076,765.84 = 1,210,933.68 : x - Step 2: Convert to fraction form
2,229,528.72/3,076,765.84 = 1,210,933.68/x - Step 3: Cross multiply
2,229,528.72x = 3,076,765.84 × 1,210,933.68 - Step 4: Simplify right side
2,229,528.72x = 3,725,759,381,129.49 - Step 5: Solve for x
x = 3,725,759,381,129.49/2,229,528.72 - Step 6: Final answer
x = 1,671,097.28
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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.