Finding the Fourth Proportional to 2,638,755.19, 3,641,454.29 and 1,477,211.01
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Solution
The fourth proportional to 2,638,755.19, 3,641,454.29 and 1,477,211.01 is: 2,038,535.59
Step by Step Solution
- Step 1: Write the proportion equation
2,638,755.19 : 3,641,454.29 = 1,477,211.01 : x - Step 2: Convert to fraction form
2,638,755.19/3,641,454.29 = 1,477,211.01/x - Step 3: Cross multiply
2,638,755.19x = 3,641,454.29 × 1,477,211.01 - Step 4: Simplify right side
2,638,755.19x = 5,379,196,359,637.31 - Step 5: Solve for x
x = 5,379,196,359,637.31/2,638,755.19 - Step 6: Final answer
x = 2,038,535.59
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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.