Finding the Fourth Proportional to 1,930,785.97, 2,664,503 and 1,071,426.19
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Solution
The fourth proportional to 1,930,785.97, 2,664,503 and 1,071,426.19 is: 1,478,578.33
Step by Step Solution
- Step 1: Write the proportion equation
1,930,785.97 : 2,664,503 = 1,071,426.19 : x - Step 2: Convert to fraction form
1,930,785.97/2,664,503 = 1,071,426.19/x - Step 3: Cross multiply
1,930,785.97x = 2,664,503 × 1,071,426.19 - Step 4: Simplify right side
1,930,785.97x = 2,854,818,297,533.57 - Step 5: Solve for x
x = 2,854,818,297,533.57/1,930,785.97 - Step 6: Final answer
x = 1,478,578.33
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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.