Finding the Fourth Proportional to 1,584,993.83, 2,187,291.50 and 905,944.91
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Solution
The fourth proportional to 1,584,993.83, 2,187,291.50 and 905,944.91 is: 1,250,203.99
Step by Step Solution
- Step 1: Write the proportion equation
1,584,993.83 : 2,187,291.50 = 905,944.91 : x - Step 2: Convert to fraction form
1,584,993.83/2,187,291.50 = 905,944.91/x - Step 3: Cross multiply
1,584,993.83x = 2,187,291.50 × 905,944.91 - Step 4: Simplify right side
1,584,993.83x = 1,981,565,608,844.36 - Step 5: Solve for x
x = 1,981,565,608,844.36/1,584,993.83 - Step 6: Final answer
x = 1,250,203.99
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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.