Finding the Fourth Proportional to 4,131,483.09, 5,695,437.68 and 2,887,230.36
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Solution
The fourth proportional to 4,131,483.09, 5,695,437.68 and 2,887,230.36 is: 3,980,178.60
Step by Step Solution
- Step 1: Write the proportion equation
4,131,483.09 : 5,695,437.68 = 2,887,230.36 : x - Step 2: Convert to fraction form
4,131,483.09/5,695,437.68 = 2,887,230.36/x - Step 3: Cross multiply
4,131,483.09x = 5,695,437.68 × 2,887,230.36 - Step 4: Simplify right side
4,131,483.09x = 16,444,040,579,574.93 - Step 5: Solve for x
x = 16,444,040,579,574.93/4,131,483.09 - Step 6: Final answer
x = 3,980,178.60
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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.