Finding the Fourth Proportional to 4,615,221.12, 6,368,871.08 and 2,550,203.88
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Solution
The fourth proportional to 4,615,221.12, 6,368,871.08 and 2,550,203.88 is: 3,519,207.27
Step by Step Solution
- Step 1: Write the proportion equation
4,615,221.12 : 6,368,871.08 = 2,550,203.88 : x - Step 2: Convert to fraction form
4,615,221.12/6,368,871.08 = 2,550,203.88/x - Step 3: Cross multiply
4,615,221.12x = 6,368,871.08 × 2,550,203.88 - Step 4: Simplify right side
4,615,221.12x = 16,241,919,739,435.79 - Step 5: Solve for x
x = 16,241,919,739,435.79/4,615,221.12 - Step 6: Final answer
x = 3,519,207.27
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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.