Finding the Fourth Proportional to 4,545,729.20, 6,828,041.64 and 3,605,669.12
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Solution
The fourth proportional to 4,545,729.20, 6,828,041.64 and 3,605,669.12 is: 5,415,997.70
Step by Step Solution
- Step 1: Write the proportion equation
4,545,729.20 : 6,828,041.64 = 3,605,669.12 : x - Step 2: Convert to fraction form
4,545,729.20/6,828,041.64 = 3,605,669.12/x - Step 3: Cross multiply
4,545,729.20x = 6,828,041.64 × 3,605,669.12 - Step 4: Simplify right side
4,545,729.20x = 24,619,658,891,422.16 - Step 5: Solve for x
x = 24,619,658,891,422.16/4,545,729.20 - Step 6: Final answer
x = 5,415,997.70
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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.