Finding the Fourth Proportional to 3,979,280.68, 5,491,044.99 and 2,302,574.02
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Solution
The fourth proportional to 3,979,280.68, 5,491,044.99 and 2,302,574.02 is: 3,177,342.48
Step by Step Solution
- Step 1: Write the proportion equation
3,979,280.68 : 5,491,044.99 = 2,302,574.02 : x - Step 2: Convert to fraction form
3,979,280.68/5,491,044.99 = 2,302,574.02/x - Step 3: Cross multiply
3,979,280.68x = 5,491,044.99 × 2,302,574.02 - Step 4: Simplify right side
3,979,280.68x = 12,643,537,553,784.68 - Step 5: Solve for x
x = 12,643,537,553,784.68/3,979,280.68 - Step 6: Final answer
x = 3,177,342.48
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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.