Finding the Fourth Proportional to 4,767,421.20, 6,579,177.48 and 2,906,945.52
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Solution
The fourth proportional to 4,767,421.20, 6,579,177.48 and 2,906,945.52 is: 4,011,667.88
Step by Step Solution
- Step 1: Write the proportion equation
4,767,421.20 : 6,579,177.48 = 2,906,945.52 : x - Step 2: Convert to fraction form
4,767,421.20/6,579,177.48 = 2,906,945.52/x - Step 3: Cross multiply
4,767,421.20x = 6,579,177.48 × 2,906,945.52 - Step 4: Simplify right side
4,767,421.20x = 19,125,310,500,770.89 - Step 5: Solve for x
x = 19,125,310,500,770.89/4,767,421.20 - Step 6: Final answer
x = 4,011,667.88
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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.