Finding the Fourth Proportional to 5,314,360.44, 7,972,806.42 and 1,720,128
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Solution
The fourth proportional to 5,314,360.44, 7,972,806.42 and 1,720,128 is: 2,580,601.70
Step by Step Solution
- Step 1: Write the proportion equation
5,314,360.44 : 7,972,806.42 = 1,720,128 : x - Step 2: Convert to fraction form
5,314,360.44/7,972,806.42 = 1,720,128/x - Step 3: Cross multiply
5,314,360.44x = 7,972,806.42 × 1,720,128 - Step 4: Simplify right side
5,314,360.44x = 13,714,247,561,621.76 - Step 5: Solve for x
x = 13,714,247,561,621.76/5,314,360.44 - Step 6: Final answer
x = 2,580,601.70
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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.