Finding the Fourth Proportional to 7,004,859.36, 10,507,603.80 and 2,146,809.98
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Solution
The fourth proportional to 7,004,859.36, 10,507,603.80 and 2,146,809.98 is: 3,220,311.43
Step by Step Solution
- Step 1: Write the proportion equation
7,004,859.36 : 10,507,603.80 = 2,146,809.98 : x - Step 2: Convert to fraction form
7,004,859.36/10,507,603.80 = 2,146,809.98/x - Step 3: Cross multiply
7,004,859.36x = 10,507,603.80 × 2,146,809.98 - Step 4: Simplify right side
7,004,859.36x = 22,557,828,651,187.91 - Step 5: Solve for x
x = 22,557,828,651,187.91/7,004,859.36 - Step 6: Final answer
x = 3,220,311.43
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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.