Finding the Fourth Proportional to 1,224,467.10, 1,836,220.05 and 465,905.70
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Solution
The fourth proportional to 1,224,467.10, 1,836,220.05 and 465,905.70 is: 698,675.68
Step by Step Solution
- Step 1: Write the proportion equation
1,224,467.10 : 1,836,220.05 = 465,905.70 : x - Step 2: Convert to fraction form
1,224,467.10/1,836,220.05 = 465,905.70/x - Step 3: Cross multiply
1,224,467.10x = 1,836,220.05 × 465,905.70 - Step 4: Simplify right side
1,224,467.10x = 855,505,387,749.29 - Step 5: Solve for x
x = 855,505,387,749.29/1,224,467.10 - Step 6: Final answer
x = 698,675.68
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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.