Finding the Fourth Proportional to 2,502,789.75, 3,721,988.61 and 2,423,072.79
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Solution
The fourth proportional to 2,502,789.75, 3,721,988.61 and 2,423,072.79 is: 3,603,438.65
Step by Step Solution
- Step 1: Write the proportion equation
2,502,789.75 : 3,721,988.61 = 2,423,072.79 : x - Step 2: Convert to fraction form
2,502,789.75/3,721,988.61 = 2,423,072.79/x - Step 3: Cross multiply
2,502,789.75x = 3,721,988.61 × 2,423,072.79 - Step 4: Simplify right side
2,502,789.75x = 9,018,649,325,580.92 - Step 5: Solve for x
x = 9,018,649,325,580.92/2,502,789.75 - Step 6: Final answer
x = 3,603,438.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.