Finding the Fourth Proportional to 2,189,360.34, 3,021,288.66 and 1,222,507.08
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Solution
The fourth proportional to 2,189,360.34, 3,021,288.66 and 1,222,507.08 is: 1,687,043.80
Step by Step Solution
- Step 1: Write the proportion equation
2,189,360.34 : 3,021,288.66 = 1,222,507.08 : x - Step 2: Convert to fraction form
2,189,360.34/3,021,288.66 = 1,222,507.08/x - Step 3: Cross multiply
2,189,360.34x = 3,021,288.66 × 1,222,507.08 - Step 4: Simplify right side
2,189,360.34x = 3,693,546,777,573.71 - Step 5: Solve for x
x = 3,693,546,777,573.71/2,189,360.34 - Step 6: Final answer
x = 1,687,043.80
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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.