Finding the Fourth Proportional to 2,569,889.12, 3,546,394.10 and 1,423,959.44
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Solution
The fourth proportional to 2,569,889.12, 3,546,394.10 and 1,423,959.44 is: 1,965,034.72
Step by Step Solution
- Step 1: Write the proportion equation
2,569,889.12 : 3,546,394.10 = 1,423,959.44 : x - Step 2: Convert to fraction form
2,569,889.12/3,546,394.10 = 1,423,959.44/x - Step 3: Cross multiply
2,569,889.12x = 3,546,394.10 × 1,423,959.44 - Step 4: Simplify right side
2,569,889.12x = 5,049,921,356,655.30 - Step 5: Solve for x
x = 5,049,921,356,655.30/2,569,889.12 - Step 6: Final answer
x = 1,965,034.72
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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.