Finding the Fourth Proportional to 1,555,009.08, 2,146,087.26 and 866,743.80
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Solution
The fourth proportional to 1,555,009.08, 2,146,087.26 and 866,743.80 is: 1,196,203.84
Step by Step Solution
- Step 1: Write the proportion equation
1,555,009.08 : 2,146,087.26 = 866,743.80 : x - Step 2: Convert to fraction form
1,555,009.08/2,146,087.26 = 866,743.80/x - Step 3: Cross multiply
1,555,009.08x = 2,146,087.26 × 866,743.80 - Step 4: Simplify right side
1,555,009.08x = 1,860,107,826,863.99 - Step 5: Solve for x
x = 1,860,107,826,863.99/1,555,009.08 - Step 6: Final answer
x = 1,196,203.84
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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.