Finding the Fourth Proportional to 1,930,785.22, 2,664,501.97 and 1,071,425.44
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Solution
The fourth proportional to 1,930,785.22, 2,664,501.97 and 1,071,425.44 is: 1,478,577.30
Step by Step Solution
- Step 1: Write the proportion equation
1,930,785.22 : 2,664,501.97 = 1,071,425.44 : x - Step 2: Convert to fraction form
1,930,785.22/2,664,501.97 = 1,071,425.44/x - Step 3: Cross multiply
1,930,785.22x = 2,664,501.97 × 1,071,425.44 - Step 4: Simplify right side
1,930,785.22x = 2,854,815,182,265.61 - Step 5: Solve for x
x = 2,854,815,182,265.61/1,930,785.22 - Step 6: Final answer
x = 1,478,577.30
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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.