Finding the Fourth Proportional to 3,686,892.13, 5,530,355.68 and 1,128,103.01
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Solution
The fourth proportional to 3,686,892.13, 5,530,355.68 and 1,128,103.01 is: 1,692,159.86
Step by Step Solution
- Step 1: Write the proportion equation
3,686,892.13 : 5,530,355.68 = 1,128,103.01 : x - Step 2: Convert to fraction form
3,686,892.13/5,530,355.68 = 1,128,103.01/x - Step 3: Cross multiply
3,686,892.13x = 5,530,355.68 × 1,128,103.01 - Step 4: Simplify right side
3,686,892.13x = 6,238,810,858,506.56 - Step 5: Solve for x
x = 6,238,810,858,506.56/3,686,892.13 - Step 6: Final answer
x = 1,692,159.86
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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.