Finding the Fourth Proportional to 5,585,971.14, 8,378,729.10 and 1,943,534.88
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Solution
The fourth proportional to 5,585,971.14, 8,378,729.10 and 1,943,534.88 is: 2,915,223.13
Step by Step Solution
- Step 1: Write the proportion equation
5,585,971.14 : 8,378,729.10 = 1,943,534.88 : x - Step 2: Convert to fraction form
5,585,971.14/8,378,729.10 = 1,943,534.88/x - Step 3: Cross multiply
5,585,971.14x = 8,378,729.10 × 1,943,534.88 - Step 4: Simplify right side
5,585,971.14x = 16,284,352,255,921.01 - Step 5: Solve for x
x = 16,284,352,255,921.01/5,585,971.14 - Step 6: Final answer
x = 2,915,223.13
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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.