Finding the Fourth Proportional to 2,809,541.63, 4,212,605.86 and 1,101,638.73
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Solution
The fourth proportional to 2,809,541.63, 4,212,605.86 and 1,101,638.73 is: 1,651,788.93
Step by Step Solution
- Step 1: Write the proportion equation
2,809,541.63 : 4,212,605.86 = 1,101,638.73 : x - Step 2: Convert to fraction form
2,809,541.63/4,212,605.86 = 1,101,638.73/x - Step 3: Cross multiply
2,809,541.63x = 4,212,605.86 × 1,101,638.73 - Step 4: Simplify right side
2,809,541.63x = 4,640,769,769,600.96 - Step 5: Solve for x
x = 4,640,769,769,600.96/2,809,541.63 - Step 6: Final answer
x = 1,651,788.93
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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.