Finding the Fourth Proportional to 2,574,406.80, 3,859,860.60 and 976,730.40
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Solution
The fourth proportional to 2,574,406.80, 3,859,860.60 and 976,730.40 is: 1,464,431.80
Step by Step Solution
- Step 1: Write the proportion equation
2,574,406.80 : 3,859,860.60 = 976,730.40 : x - Step 2: Convert to fraction form
2,574,406.80/3,859,860.60 = 976,730.40/x - Step 3: Cross multiply
2,574,406.80x = 3,859,860.60 × 976,730.40 - Step 4: Simplify right side
2,574,406.80x = 3,770,043,187,782.24 - Step 5: Solve for x
x = 3,770,043,187,782.24/2,574,406.80 - Step 6: Final answer
x = 1,464,431.80
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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.