Finding the Fourth Proportional to 2,125,451.12, 3,188,876.58 and 862,939.76
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Solution
The fourth proportional to 2,125,451.12, 3,188,876.58 and 862,939.76 is: 1,294,693.80
Step by Step Solution
- Step 1: Write the proportion equation
2,125,451.12 : 3,188,876.58 = 862,939.76 : x - Step 2: Convert to fraction form
2,125,451.12/3,188,876.58 = 862,939.76/x - Step 3: Cross multiply
2,125,451.12x = 3,188,876.58 × 862,939.76 - Step 4: Simplify right side
2,125,451.12x = 2,751,808,390,614.82 - Step 5: Solve for x
x = 2,751,808,390,614.82/2,125,451.12 - Step 6: Final answer
x = 1,294,693.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.