Finding the Fourth Proportional to 3,038,916.24, 4,193,422.92 and 1,680,760.08
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Solution
The fourth proportional to 3,038,916.24, 4,193,422.92 and 1,680,760.08 is: 2,319,293.22
Step by Step Solution
- Step 1: Write the proportion equation
3,038,916.24 : 4,193,422.92 = 1,680,760.08 : x - Step 2: Convert to fraction form
3,038,916.24/4,193,422.92 = 1,680,760.08/x - Step 3: Cross multiply
3,038,916.24x = 4,193,422.92 × 1,680,760.08 - Step 4: Simplify right side
3,038,916.24x = 7,048,137,842,493.03 - Step 5: Solve for x
x = 7,048,137,842,493.03/3,038,916.24 - Step 6: Final answer
x = 2,319,293.22
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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.