Finding the Fourth Proportional to 7,058,032.20, 10,586,829.60 and 2,009,342.70
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Solution
The fourth proportional to 7,058,032.20, 10,586,829.60 and 2,009,342.70 is: 3,013,951.79
Step by Step Solution
- Step 1: Write the proportion equation
7,058,032.20 : 10,586,829.60 = 2,009,342.70 : x - Step 2: Convert to fraction form
7,058,032.20/10,586,829.60 = 2,009,342.70/x - Step 3: Cross multiply
7,058,032.20x = 10,586,829.60 × 2,009,342.70 - Step 4: Simplify right side
7,058,032.20x = 21,272,568,772,903.92 - Step 5: Solve for x
x = 21,272,568,772,903.92/7,058,032.20 - Step 6: Final answer
x = 3,013,951.79
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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.