Finding the Fourth Proportional to 2,015,162.19, 2,777,985.86 and 1,530,886.68
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Solution
The fourth proportional to 2,015,162.19, 2,777,985.86 and 1,530,886.68 is: 2,110,391.69
Step by Step Solution
- Step 1: Write the proportion equation
2,015,162.19 : 2,777,985.86 = 1,530,886.68 : x - Step 2: Convert to fraction form
2,015,162.19/2,777,985.86 = 1,530,886.68/x - Step 3: Cross multiply
2,015,162.19x = 2,777,985.86 × 1,530,886.68 - Step 4: Simplify right side
2,015,162.19x = 4,252,781,542,647.91 - Step 5: Solve for x
x = 4,252,781,542,647.91/2,015,162.19 - Step 6: Final answer
x = 2,110,391.69
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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.