Finding the Fourth Proportional to 2,569,986, 3,546,658.44 and 1,423,959.12
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Solution
The fourth proportional to 2,569,986, 3,546,658.44 and 1,423,959.12 is: 1,965,106.67
Step by Step Solution
- Step 1: Write the proportion equation
2,569,986 : 3,546,658.44 = 1,423,959.12 : x - Step 2: Convert to fraction form
2,569,986/3,546,658.44 = 1,423,959.12/x - Step 3: Cross multiply
2,569,986x = 3,546,658.44 × 1,423,959.12 - Step 4: Simplify right side
2,569,986x = 5,050,296,631,162.97 - Step 5: Solve for x
x = 5,050,296,631,162.97/2,569,986 - Step 6: Final answer
x = 1,965,106.67
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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.