Finding the Fourth Proportional to 1,751,115.08, 2,626,673.10 and 421,419.08
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Solution
The fourth proportional to 1,751,115.08, 2,626,673.10 and 421,419.08 is: 632,128.74
Step by Step Solution
- Step 1: Write the proportion equation
1,751,115.08 : 2,626,673.10 = 421,419.08 : x - Step 2: Convert to fraction form
1,751,115.08/2,626,673.10 = 421,419.08/x - Step 3: Cross multiply
1,751,115.08x = 2,626,673.10 × 421,419.08 - Step 4: Simplify right side
1,751,115.08x = 1,106,930,161,262.75 - Step 5: Solve for x
x = 1,106,930,161,262.75/1,751,115.08 - Step 6: Final answer
x = 632,128.74
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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.