Finding the Fourth Proportional to 2,269,640.41, 3,132,009.47 and 1,237,125.47
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Solution
The fourth proportional to 2,269,640.41, 3,132,009.47 and 1,237,125.47 is: 1,707,181.75
Step by Step Solution
- Step 1: Write the proportion equation
2,269,640.41 : 3,132,009.47 = 1,237,125.47 : x - Step 2: Convert to fraction form
2,269,640.41/3,132,009.47 = 1,237,125.47/x - Step 3: Cross multiply
2,269,640.41x = 3,132,009.47 × 1,237,125.47 - Step 4: Simplify right side
2,269,640.41x = 3,874,688,675,050.97 - Step 5: Solve for x
x = 3,874,688,675,050.97/2,269,640.41 - Step 6: Final answer
x = 1,707,181.75
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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.