Finding the Fourth Proportional to 3,424,951.69, 4,726,051.90 and 1,896,676.09
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Solution
The fourth proportional to 3,424,951.69, 4,726,051.90 and 1,896,676.09 is: 2,617,201.77
Step by Step Solution
- Step 1: Write the proportion equation
3,424,951.69 : 4,726,051.90 = 1,896,676.09 : x - Step 2: Convert to fraction form
3,424,951.69/4,726,051.90 = 1,896,676.09/x - Step 3: Cross multiply
3,424,951.69x = 4,726,051.90 × 1,896,676.09 - Step 4: Simplify right side
3,424,951.69x = 8,963,789,638,829.07 - Step 5: Solve for x
x = 8,963,789,638,829.07/3,424,951.69 - Step 6: Final answer
x = 2,617,201.77
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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.