Finding the Fourth Proportional to 1,622,395.86, 2,431,877.65 and 611,080.25
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Solution
The fourth proportional to 1,622,395.86, 2,431,877.65 and 611,080.25 is: 915,973.99
Step by Step Solution
- Step 1: Write the proportion equation
1,622,395.86 : 2,431,877.65 = 611,080.25 : x - Step 2: Convert to fraction form
1,622,395.86/2,431,877.65 = 611,080.25/x - Step 3: Cross multiply
1,622,395.86x = 2,431,877.65 × 611,080.25 - Step 4: Simplify right side
1,622,395.86x = 1,486,072,402,331.41 - Step 5: Solve for x
x = 1,486,072,402,331.41/1,622,395.86 - Step 6: Final answer
x = 915,973.99
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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.