Finding the Fourth Proportional to 3,587,158.48, 4,950,317 and 1,977,584.08
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Solution
The fourth proportional to 3,587,158.48, 4,950,317 and 1,977,584.08 is: 2,729,087.14
Step by Step Solution
- Step 1: Write the proportion equation
3,587,158.48 : 4,950,317 = 1,977,584.08 : x - Step 2: Convert to fraction form
3,587,158.48/4,950,317 = 1,977,584.08/x - Step 3: Cross multiply
3,587,158.48x = 4,950,317 × 1,977,584.08 - Step 4: Simplify right side
3,587,158.48x = 9,789,668,090,153.36 - Step 5: Solve for x
x = 9,789,668,090,153.36/3,587,158.48 - Step 6: Final answer
x = 2,729,087.14
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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.