Finding the Fourth Proportional to 3,679,851.95, 5,078,195.93 and 2,048,224.19
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Solution
The fourth proportional to 3,679,851.95, 5,078,195.93 and 2,048,224.19 is: 2,826,549.52
Step by Step Solution
- Step 1: Write the proportion equation
3,679,851.95 : 5,078,195.93 = 2,048,224.19 : x - Step 2: Convert to fraction form
3,679,851.95/5,078,195.93 = 2,048,224.19/x - Step 3: Cross multiply
3,679,851.95x = 5,078,195.93 × 2,048,224.19 - Step 4: Simplify right side
3,679,851.95x = 10,401,283,745,385.54 - Step 5: Solve for x
x = 10,401,283,745,385.54/3,679,851.95 - Step 6: Final answer
x = 2,826,549.52
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1.5x scale
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.