Finding the Fourth Proportional to 1,542,445.11, 2,128,572.91 and 854,116.93
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Solution
The fourth proportional to 1,542,445.11, 2,128,572.91 and 854,116.93 is: 1,178,680.62
Step by Step Solution
- Step 1: Write the proportion equation
1,542,445.11 : 2,128,572.91 = 854,116.93 : x - Step 2: Convert to fraction form
1,542,445.11/2,128,572.91 = 854,116.93/x - Step 3: Cross multiply
1,542,445.11x = 2,128,572.91 × 854,116.93 - Step 4: Simplify right side
1,542,445.11x = 1,818,050,162,898.73 - Step 5: Solve for x
x = 1,818,050,162,898.73/1,542,445.11 - Step 6: Final answer
x = 1,178,680.62
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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.