Finding the Fourth Proportional to 2,099,445.26, 2,898,628.98 and 1,615,155.98
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Solution
The fourth proportional to 2,099,445.26, 2,898,628.98 and 1,615,155.98 is: 2,229,988.09
Step by Step Solution
- Step 1: Write the proportion equation
2,099,445.26 : 2,898,628.98 = 1,615,155.98 : x - Step 2: Convert to fraction form
2,099,445.26/2,898,628.98 = 1,615,155.98/x - Step 3: Cross multiply
2,099,445.26x = 2,898,628.98 × 1,615,155.98 - Step 4: Simplify right side
2,099,445.26x = 4,681,737,930,848.30 - Step 5: Solve for x
x = 4,681,737,930,848.30/2,099,445.26 - Step 6: Final answer
x = 2,229,988.09
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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.