Finding the Fourth Proportional to 1,720,386.37, 2,374,284.44 and 946,153.63
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Solution
The fourth proportional to 1,720,386.37, 2,374,284.44 and 946,153.63 is: 1,305,775.19
Step by Step Solution
- Step 1: Write the proportion equation
1,720,386.37 : 2,374,284.44 = 946,153.63 : x - Step 2: Convert to fraction form
1,720,386.37/2,374,284.44 = 946,153.63/x - Step 3: Cross multiply
1,720,386.37x = 2,374,284.44 × 946,153.63 - Step 4: Simplify right side
1,720,386.37x = 2,246,437,824,956.33 - Step 5: Solve for x
x = 2,246,437,824,956.33/1,720,386.37 - Step 6: Final answer
x = 1,305,775.19
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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.