Finding the Fourth Proportional to 3,477,807.36, 5,216,713.92 and 2,800,713.60
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Solution
The fourth proportional to 3,477,807.36, 5,216,713.92 and 2,800,713.60 is: 4,201,072.72
Step by Step Solution
- Step 1: Write the proportion equation
3,477,807.36 : 5,216,713.92 = 2,800,713.60 : x - Step 2: Convert to fraction form
3,477,807.36/5,216,713.92 = 2,800,713.60/x - Step 3: Cross multiply
3,477,807.36x = 5,216,713.92 × 2,800,713.60 - Step 4: Simplify right side
3,477,807.36x = 14,610,521,623,053.31 - Step 5: Solve for x
x = 14,610,521,623,053.31/3,477,807.36 - Step 6: Final answer
x = 4,201,072.72
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1.5x scale
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.