Finding the Fourth Proportional to 2,610,386.70, 3,910,914.45 and 2,237,138.70
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Solution
The fourth proportional to 2,610,386.70, 3,910,914.45 and 2,237,138.70 is: 3,351,709.56
Step by Step Solution
- Step 1: Write the proportion equation
2,610,386.70 : 3,910,914.45 = 2,237,138.70 : x - Step 2: Convert to fraction form
2,610,386.70/3,910,914.45 = 2,237,138.70/x - Step 3: Cross multiply
2,610,386.70x = 3,910,914.45 × 2,237,138.70 - Step 4: Simplify right side
2,610,386.70x = 8,749,258,068,484.22 - Step 5: Solve for x
x = 8,749,258,068,484.22/2,610,386.70 - Step 6: Final answer
x = 3,351,709.56
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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.