Finding the Fourth Proportional to 4,212,534.20, 5,813,279.69 and 2,278,790.01
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Solution
The fourth proportional to 4,212,534.20, 5,813,279.69 and 2,278,790.01 is: 3,144,720.74
Step by Step Solution
- Step 1: Write the proportion equation
4,212,534.20 : 5,813,279.69 = 2,278,790.01 : x - Step 2: Convert to fraction form
4,212,534.20/5,813,279.69 = 2,278,790.01/x - Step 3: Cross multiply
4,212,534.20x = 5,813,279.69 × 2,278,790.01 - Step 4: Simplify right side
4,212,534.20x = 13,247,243,671,513.95 - Step 5: Solve for x
x = 13,247,243,671,513.95/4,212,534.20 - Step 6: Final answer
x = 3,144,720.74
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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.