Finding the Fourth Proportional to 4,285,888.12, 6,429,814.04 and 1,857,448.99
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Solution
The fourth proportional to 4,285,888.12, 6,429,814.04 and 1,857,448.99 is: 2,786,599.01
Step by Step Solution
- Step 1: Write the proportion equation
4,285,888.12 : 6,429,814.04 = 1,857,448.99 : x - Step 2: Convert to fraction form
4,285,888.12/6,429,814.04 = 1,857,448.99/x - Step 3: Cross multiply
4,285,888.12x = 6,429,814.04 × 1,857,448.99 - Step 4: Simplify right side
4,285,888.12x = 11,943,051,594,485.82 - Step 5: Solve for x
x = 11,943,051,594,485.82/4,285,888.12 - Step 6: Final answer
x = 2,786,599.01
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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.