Finding the Fourth Proportional to 1,621,153.54, 2,431,779.86 and 556,180.66
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Solution
The fourth proportional to 1,621,153.54, 2,431,779.86 and 556,180.66 is: 834,287.99
Step by Step Solution
- Step 1: Write the proportion equation
1,621,153.54 : 2,431,779.86 = 556,180.66 : x - Step 2: Convert to fraction form
1,621,153.54/2,431,779.86 = 556,180.66/x - Step 3: Cross multiply
1,621,153.54x = 2,431,779.86 × 556,180.66 - Step 4: Simplify right side
1,621,153.54x = 1,352,508,918,649.15 - Step 5: Solve for x
x = 1,352,508,918,649.15/1,621,153.54 - Step 6: Final answer
x = 834,287.99
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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.