Finding the Fourth Proportional to 2,224,837.80, 3,070,336.62 and 1,258,112.73
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Solution
The fourth proportional to 2,224,837.80, 3,070,336.62 and 1,258,112.73 is: 1,736,229.75
Step by Step Solution
- Step 1: Write the proportion equation
2,224,837.80 : 3,070,336.62 = 1,258,112.73 : x - Step 2: Convert to fraction form
2,224,837.80/3,070,336.62 = 1,258,112.73/x - Step 3: Cross multiply
2,224,837.80x = 3,070,336.62 × 1,258,112.73 - Step 4: Simplify right side
2,224,837.80x = 3,862,829,587,007.17 - Step 5: Solve for x
x = 3,862,829,587,007.17/2,224,837.80 - Step 6: Final answer
x = 1,736,229.75
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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.