Finding the Fourth Proportional to 2,639,876.04, 3,959,828.64 and 956,935.80
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Solution
The fourth proportional to 2,639,876.04, 3,959,828.64 and 956,935.80 is: 1,435,408.99
Step by Step Solution
- Step 1: Write the proportion equation
2,639,876.04 : 3,959,828.64 = 956,935.80 : x - Step 2: Convert to fraction form
2,639,876.04/3,959,828.64 = 956,935.80/x - Step 3: Cross multiply
2,639,876.04x = 3,959,828.64 × 956,935.80 - Step 4: Simplify right side
2,639,876.04x = 3,789,301,787,481.31 - Step 5: Solve for x
x = 3,789,301,787,481.31/2,639,876.04 - Step 6: Final answer
x = 1,435,408.99
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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.