Finding the Fourth Proportional to 1,470,487.68, 2,029,034.37 and 919,138.14
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Solution
The fourth proportional to 1,470,487.68, 2,029,034.37 and 919,138.14 is: 1,268,261.48
Step by Step Solution
- Step 1: Write the proportion equation
1,470,487.68 : 2,029,034.37 = 919,138.14 : x - Step 2: Convert to fraction form
1,470,487.68/2,029,034.37 = 919,138.14/x - Step 3: Cross multiply
1,470,487.68x = 2,029,034.37 × 919,138.14 - Step 4: Simplify right side
1,470,487.68x = 1,864,962,876,837.87 - Step 5: Solve for x
x = 1,864,962,876,837.87/1,470,487.68 - Step 6: Final answer
x = 1,268,261.48
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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.