Finding the Fourth Proportional to 4,268,432.36, 6,402,659.50 and 1,744,087.62
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Solution
The fourth proportional to 4,268,432.36, 6,402,659.50 and 1,744,087.62 is: 2,616,135.91
Step by Step Solution
- Step 1: Write the proportion equation
4,268,432.36 : 6,402,659.50 = 1,744,087.62 : x - Step 2: Convert to fraction form
4,268,432.36/6,402,659.50 = 1,744,087.62/x - Step 3: Cross multiply
4,268,432.36x = 6,402,659.50 × 1,744,087.62 - Step 4: Simplify right side
4,268,432.36x = 11,166,799,169,025.39 - Step 5: Solve for x
x = 11,166,799,169,025.39/4,268,432.36 - Step 6: Final answer
x = 2,616,135.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.