Finding the Fourth Proportional to 1,999,145.64, 2,759,176.14 and 1,183,801.92
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Solution
The fourth proportional to 1,999,145.64, 2,759,176.14 and 1,183,801.92 is: 1,633,856.96
Step by Step Solution
- Step 1: Write the proportion equation
1,999,145.64 : 2,759,176.14 = 1,183,801.92 : x - Step 2: Convert to fraction form
1,999,145.64/2,759,176.14 = 1,183,801.92/x - Step 3: Cross multiply
1,999,145.64x = 2,759,176.14 × 1,183,801.92 - Step 4: Simplify right side
1,999,145.64x = 3,266,318,012,150.19 - Step 5: Solve for x
x = 3,266,318,012,150.19/1,999,145.64 - Step 6: Final answer
x = 1,633,856.96
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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.