Finding the Fourth Proportional to 1,680,884.19, 2,319,729.78 and 955,799.37
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Solution
The fourth proportional to 1,680,884.19, 2,319,729.78 and 955,799.37 is: 1,319,065.45
Step by Step Solution
- Step 1: Write the proportion equation
1,680,884.19 : 2,319,729.78 = 955,799.37 : x - Step 2: Convert to fraction form
1,680,884.19/2,319,729.78 = 955,799.37/x - Step 3: Cross multiply
1,680,884.19x = 2,319,729.78 × 955,799.37 - Step 4: Simplify right side
1,680,884.19x = 2,217,196,262,294.24 - Step 5: Solve for x
x = 2,217,196,262,294.24/1,680,884.19 - Step 6: Final answer
x = 1,319,065.45
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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.