Finding the Fourth Proportional to 6,471,561.24, 8,930,744.10 and 3,570,949.80
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Solution
The fourth proportional to 6,471,561.24, 8,930,744.10 and 3,570,949.80 is: 4,927,904.98
Step by Step Solution
- Step 1: Write the proportion equation
6,471,561.24 : 8,930,744.10 = 3,570,949.80 : x - Step 2: Convert to fraction form
6,471,561.24/8,930,744.10 = 3,570,949.80/x - Step 3: Cross multiply
6,471,561.24x = 8,930,744.10 × 3,570,949.80 - Step 4: Simplify right side
6,471,561.24x = 31,891,238,857,746.18 - Step 5: Solve for x
x = 31,891,238,857,746.18/6,471,561.24 - Step 6: Final answer
x = 4,927,904.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.