Finding the Fourth Proportional to 3,214,862.39, 4,823,133.88 and 1,865,728.06
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Solution
The fourth proportional to 3,214,862.39, 4,823,133.88 and 1,865,728.06 is: 2,799,079.75
Step by Step Solution
- Step 1: Write the proportion equation
3,214,862.39 : 4,823,133.88 = 1,865,728.06 : x - Step 2: Convert to fraction form
3,214,862.39/4,823,133.88 = 1,865,728.06/x - Step 3: Cross multiply
3,214,862.39x = 4,823,133.88 × 1,865,728.06 - Step 4: Simplify right side
3,214,862.39x = 8,998,656,230,958.89 - Step 5: Solve for x
x = 8,998,656,230,958.89/3,214,862.39 - Step 6: Final answer
x = 2,799,079.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.