Finding the Fourth Proportional to 5,339,408.80, 7,366,350.92 and 3,947,312.84
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Solution
The fourth proportional to 5,339,408.80, 7,366,350.92 and 3,947,312.84 is: 5,445,788.60
Step by Step Solution
- Step 1: Write the proportion equation
5,339,408.80 : 7,366,350.92 = 3,947,312.84 : x - Step 2: Convert to fraction form
5,339,408.80/7,366,350.92 = 3,947,312.84/x - Step 3: Cross multiply
5,339,408.80x = 7,366,350.92 × 3,947,312.84 - Step 4: Simplify right side
5,339,408.80x = 29,077,291,570,461.81 - Step 5: Solve for x
x = 29,077,291,570,461.81/5,339,408.80 - Step 6: Final answer
x = 5,445,788.60
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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.