Finding the Fourth Proportional to 2,616,715.62, 3,925,070.27 and 819,739.06
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Solution
The fourth proportional to 2,616,715.62, 3,925,070.27 and 819,739.06 is: 1,229,607.60
Step by Step Solution
- Step 1: Write the proportion equation
2,616,715.62 : 3,925,070.27 = 819,739.06 : x - Step 2: Convert to fraction form
2,616,715.62/3,925,070.27 = 819,739.06/x - Step 3: Cross multiply
2,616,715.62x = 3,925,070.27 × 819,739.06 - Step 4: Simplify right side
2,616,715.62x = 3,217,533,413,563.75 - Step 5: Solve for x
x = 3,217,533,413,563.75/2,616,715.62 - Step 6: Final answer
x = 1,229,607.60
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1.5x scale
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.