Finding the Fourth Proportional to 2,076,063.12, 2,864,962.44 and 1,170,638.64
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Solution
The fourth proportional to 2,076,063.12, 2,864,962.44 and 1,170,638.64 is: 1,615,478.69
Step by Step Solution
- Step 1: Write the proportion equation
2,076,063.12 : 2,864,962.44 = 1,170,638.64 : x - Step 2: Convert to fraction form
2,076,063.12/2,864,962.44 = 1,170,638.64/x - Step 3: Cross multiply
2,076,063.12x = 2,864,962.44 × 1,170,638.64 - Step 4: Simplify right side
2,076,063.12x = 3,353,835,734,412.68 - Step 5: Solve for x
x = 3,353,835,734,412.68/2,076,063.12 - Step 6: Final answer
x = 1,615,478.69
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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.