Finding the Fourth Proportional to 2,531,046.76, 3,494,474.67 and 2,258,646.19
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Solution
The fourth proportional to 2,531,046.76, 3,494,474.67 and 2,258,646.19 is: 3,118,386.44
Step by Step Solution
- Step 1: Write the proportion equation
2,531,046.76 : 3,494,474.67 = 2,258,646.19 : x - Step 2: Convert to fraction form
2,531,046.76/3,494,474.67 = 2,258,646.19/x - Step 3: Cross multiply
2,531,046.76x = 3,494,474.67 × 2,258,646.19 - Step 4: Simplify right side
2,531,046.76x = 7,892,781,899,447.01 - Step 5: Solve for x
x = 7,892,781,899,447.01/2,531,046.76 - Step 6: Final answer
x = 3,118,386.44
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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.