Finding the Fourth Proportional to 5,135,565.29, 7,086,993.30 and 2,843,676.77
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Solution
The fourth proportional to 5,135,565.29, 7,086,993.30 and 2,843,676.77 is: 3,924,225.88
Step by Step Solution
- Step 1: Write the proportion equation
5,135,565.29 : 7,086,993.30 = 2,843,676.77 : x - Step 2: Convert to fraction form
5,135,565.29/7,086,993.30 = 2,843,676.77/x - Step 3: Cross multiply
5,135,565.29x = 7,086,993.30 × 2,843,676.77 - Step 4: Simplify right side
5,135,565.29x = 20,153,118,216,355.64 - Step 5: Solve for x
x = 20,153,118,216,355.64/5,135,565.29 - Step 6: Final answer
x = 3,924,225.88
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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.